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Popular >

3x+21=12x-18

Solution

3 x + 21 = 12 x - 18

Solution

x = \frac{13}{3}

+1

Decimal Notation

x = 4.33333 \dots

Solution steps

3 x + 21 = 12 x - 18

Move

21

to the right side

3 x = 12 x - 39

Move

12 x

to the left side

- 9 x = - 39

Divide both sides by

- 9

x = \frac{13}{3}

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Frequently Asked Questions (FAQ)

What is the answer to 3x+21=12x-18 ?
The answer to 3x+21=12x-18 is x= 13/3
Solve for x: 3x+21=12x-18
The solution is x= 13/3