What is the answer to x+20-5x+1=9-x ?

The answer to x+20-5x+1=9-x is x=4

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x+20-5x+1=9-x

x + 20 - 5 x + 1 = 9 - x

x = 4

Solution steps

x + 20 - 5 x + 1 = 9 - x

Group like terms

x - 5 x + 20 + 1 = 9 - x

Add similar elements:

x - 5 x = - 4 x

- 4 x + 20 + 1 = 9 - x

Add the numbers:

20 + 1 = 21

- 4 x + 21 = 9 - x

Move

21

to the right side

- 4 x = - x - 12

Move

x

to the left side

- 3 x = - 12

Divide both sides by

- 3

x = 4

(2 x - 5)^{2} = - 12

8^{- \frac{5}{3}}

3 v = 24

2 (x - 2) + x = 5

x^{2} + 2 x + 1 = x + 1