12-(x+9)=9x-7

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Solution for 12-(x+9)=9x-7 equation: 


Simplifying
12 + -1(x + 9) = 9x + -7

Reorder the terms:
12 + -1(9 + x) = 9x + -7
12 + (9 * -1 + x * -1) = 9x + -7
12 + (-9 + -1x) = 9x + -7

Combine like terms: 12 + -9 = 3
3 + -1x = 9x + -7

Reorder the terms:
3 + -1x = -7 + 9x

Solving
3 + -1x = -7 + 9x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-9x' to each side of the equation.
3 + -1x + -9x = -7 + 9x + -9x

Combine like terms: -1x + -9x = -10x
3 + -10x = -7 + 9x + -9x

Combine like terms: 9x + -9x = 0
3 + -10x = -7 + 0
3 + -10x = -7

Add '-3' to each side of the equation.
3 + -3 + -10x = -7 + -3

Combine like terms: 3 + -3 = 0
0 + -10x = -7 + -3
-10x = -7 + -3

Combine like terms: -7 + -3 = -10
-10x = -10

Divide each side by '-10'.
x = 1

Simplifying
x = 1

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