{
"query": {
"display": "$$\\frac{x}{8}+\\frac{x}{4}=-1$$",
"symbolab_question": "EQUATION#\\frac{x}{8}+\\frac{x}{4}=-1"
},
"solution": {
"level": "PERFORMED",
"subject": "Algebra",
"topic": "Equations",
"subTopic": "Linear",
"default": "x=-\\frac{8}{3}",
"decimal": "x=-2.66666…",
"meta": {
"showVerify": true
}
},
"steps": {
"type": "interim",
"title": "$$\\frac{x}{8}+\\frac{x}{4}=-1{\\quad:\\quad}x=-\\frac{8}{3}$$",
"input": "\\frac{x}{8}+\\frac{x}{4}=-1",
"steps": [
{
"type": "interim",
"title": "Multiply by LCM",
"input": "\\frac{x}{8}+\\frac{x}{4}=-1",
"result": "3x=-8",
"steps": [
{
"type": "interim",
"title": "Find Least Common Multiplier of $$8,\\:4:{\\quad}8$$",
"input": "8,\\:4",
"steps": [
{
"type": "definition",
"title": "Least Common Multiplier (LCM)",
"text": "The LCM of $$a,\\:b$$ is the smallest positive number that is divisible by both $$a$$ and $$b$$"
},
{
"type": "interim",
"title": "Prime factorization of $$8:{\\quad}2\\cdot\\:2\\cdot\\:2$$",
"input": "8",
"steps": [
{
"type": "step",
"primary": "$$8\\:$$divides by $$2\\quad\\:8=4\\cdot\\:2$$",
"result": "=2\\cdot\\:4"
},
{
"type": "step",
"primary": "$$4\\:$$divides by $$2\\quad\\:4=2\\cdot\\:2$$",
"result": "=2\\cdot\\:2\\cdot\\:2"
}
],
"meta": {
"solvingClass": "Composite Integer",
"interimType": "Prime Fac 1Eq",
"gptData": "pG0PljGlka7rWtIVHz2xyoU2cWyPLDgE1QLLHeauuc3PHQdChPJ2JhfqHT+ZU0OMrfn8NOj0LUzuzje6xTyxRtXnBik8vDPXVw+nKWp28DI/y9DKGIPglJ+qMi9xDu2KE1OovxZAaXg7BtrFPk4UcCzRnGgMN6CYRfod7Mq0dp1RcgsS082tQWmOBW6FvhEw"
}
},
{
"type": "interim",
"title": "Prime factorization of $$4:{\\quad}2\\cdot\\:2$$",
"input": "4",
"steps": [
{
"type": "step",
"primary": "$$4\\:$$divides by $$2\\quad\\:4=2\\cdot\\:2$$",
"result": "=2\\cdot\\:2"
}
],
"meta": {
"solvingClass": "Composite Integer",
"interimType": "Prime Fac 1Eq",
"gptData": "pG0PljGlka7rWtIVHz2xyoU2cWyPLDgE1QLLHeauuc3PHQdChPJ2JhfqHT+ZU0OMrfn8NOj0LUzuzje6xTyxRsG/uC0ndYtZpJL4uAxK7FI/y9DKGIPglJ+qMi9xDu2KE1OovxZAaXg7BtrFPk4UcCzRnGgMN6CYRfod7Mq0dp39fF/zAtU5baHQ1hwgXA+n"
}
},
{
"type": "step",
"primary": "Multiply each factor the greatest number of times it occurs in either $$8$$ or $$4$$",
"result": "=2\\cdot\\:2\\cdot\\:2"
},
{
"type": "step",
"primary": "Multiply the numbers: $$2\\cdot\\:2\\cdot\\:2=8$$",
"result": "=8"
}
],
"meta": {
"solvingClass": "LCM",
"interimType": "LCM Top in Equation Title 1Eq"
}
},
{
"type": "step",
"primary": "Multiply by LCM=$$8$$",
"result": "\\frac{x}{8}\\cdot\\:8+\\frac{x}{4}\\cdot\\:8=-1\\cdot\\:8"
},
{
"type": "interim",
"title": "Simplify",
"input": "\\frac{x}{8}\\cdot\\:8+\\frac{x}{4}\\cdot\\:8=-1\\cdot\\:8",
"result": "3x=-8",
"steps": [
{
"type": "interim",
"title": "Simplify $$\\frac{x}{8}\\cdot\\:8:{\\quad}x$$",
"input": "\\frac{x}{8}\\cdot\\:8",
"steps": [
{
"type": "step",
"primary": "Multiply fractions: $$a\\cdot\\frac{b}{c}=\\frac{a\\:\\cdot\\:b}{c}$$",
"result": "=\\frac{x\\cdot\\:8}{8}"
},
{
"type": "step",
"primary": "Cancel the common factor: $$8$$",
"result": "=x"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Generic Simplify Specific 1Eq",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7fAu76bLsHyzNciUVCyBLF/OQKlvRvVM0xRaof3zDNGarju+5Z51e/ZZSD3gRHwjBvZTuV3pU1o5URU/sdf9xYZjcBIL5pmo83UMFZRSzJsWQA7yHY4blmznYtOPht2hnzf67KGe0cAgTBx8mejyCUQ=="
}
},
{
"type": "interim",
"title": "Simplify $$\\frac{x}{4}\\cdot\\:8:{\\quad}2x$$",
"input": "\\frac{x}{4}\\cdot\\:8",
"steps": [
{
"type": "step",
"primary": "Multiply fractions: $$a\\cdot\\frac{b}{c}=\\frac{a\\:\\cdot\\:b}{c}$$",
"result": "=\\frac{x\\cdot\\:8}{4}"
},
{
"type": "step",
"primary": "Divide the numbers: $$\\frac{8}{4}=2$$",
"result": "=2x"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Generic Simplify Specific 1Eq",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7HujeYqtVS6bD5mqN7Rg2Y/OQKlvRvVM0xRaof3zDNGarju+5Z51e/ZZSD3gRHwjBgdPTKtotjHTYDQdAKjyGMosaY2cs9YZ/08feWmaOgkj7GTdsBoChJvoAZssbF+dqbASzXfkfbqfgm9dDZ7pWcQ=="
}
},
{
"type": "interim",
"title": "Simplify $$-1\\cdot\\:8:{\\quad}-8$$",
"input": "-1\\cdot\\:8",
"steps": [
{
"type": "step",
"primary": "Multiply the numbers: $$1\\cdot\\:8=8$$",
"result": "=-8"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Generic Simplify Specific 1Eq",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7+clio325OVjNlTIdpl8GRiAn9lkDfZkicUGkO3EF+IqLaeGhfPxl9m3N3atI3revgQUxJPyUNnGfVirkcwpVO+dzqilyMdAftDhxIDf7Leg9nMtMD1D++j34aX4IVCU5"
}
},
{
"type": "step",
"result": "x+2x=-8"
},
{
"type": "step",
"result": "3x=-8"
}
],
"meta": {
"interimType": "Generic Simplify 0Eq"
}
}
],
"meta": {
"interimType": "Equation LCM Multiply Title 0Eq",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjAjYcBSbJJKcO5nwp2W+NzB6O4Hdd6+pVFvXhuRP58ioaUJTXRIJ+xuJHtw/VpW7zN2BQR0dJUGN2TRuXDsmO1Xq2/AmneVbzs8wajHeHzZ60UqTd96MWTKI6Kr2Ib0iQDpjtzABgWAdI9SH55k29/dkDtt6Z9KIv/y3s8wrVBpKg=="
}
},
{
"type": "interim",
"title": "Divide both sides by $$3$$",
"input": "3x=-8",
"result": "x=-\\frac{8}{3}",
"steps": [
{
"type": "step",
"primary": "Divide both sides by $$3$$",
"result": "\\frac{3x}{3}=\\frac{-8}{3}"
},
{
"type": "step",
"primary": "Simplify",
"result": "x=-\\frac{8}{3}"
}
],
"meta": {
"interimType": "Divide Both Sides Specific 1Eq",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7TRwQSStqkHRxeIzqgPTpwpN1pXT08zEQpn0WJ6CFMXBgNJ67EOD8lvNAD3ifVxEoJI4KD5IMC4UmvgwFppsKgo3o0MiPQMvyHAXtG9ax95IA1vSE7Gc8ILn/oj5ZNzzUz27xpiicCLlej+r3Kqpg6rOnDLD0jssdVCDGYRPtoVT3rULl/hDWwC6b+Lvj4auBkl2nMYoMvCLXtVESz9/y9wwKAu7Z3tN/RgLPjlzyRw8i5OoNNprqQV2UgQUGESqFlvjhqQs5XJJkHv2GQUE6glcrAOsROfiVgP+wtWyh0afthvwKEoR3ksHNHbCkrb6kcwDIfxbr/Pq2vWjsXBdpmP+Gc7uNDn5rFMiDyv69niKC8VZfRwvJI6wrKTATUX8dU9cwwVwt4DorvBqyqIystksCgBQLPiLZrslDBUCYri8="
}
}
],
"meta": {
"solvingClass": "Equations",
"practiceLink": "/practice/linear-equations-practice",
"practiceTopic": "Linear Equations"
}
},
"plot_output": {
"meta": {
"plotInfo": {
"variable": "x",
"plotRequest": "\\frac{x}{8}+\\frac{x}{4}=-1"
},
"showViewLarger": true
}
},
"meta": {
"showVerify": true
}
}
Solution
Solution
+1
Decimal
Solution steps
Multiply by LCM
Divide both sides by
Graph
Popular Examples
Frequently Asked Questions (FAQ)
What is the answer to x/8+x/4 =-1 ?
The answer to x/8+x/4 =-1 is x=-8/3Solve for x: x/8+x/4 =-1
The solution is x=-8/3
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