9-(x+7)=9x-8

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Solution for 9-(x+7)=9x-8 equation:


Simplifying
9 + -1(x + 7) = 9x + -8

Reorder the terms:
9 + -1(7 + x) = 9x + -8
9 + (7 * -1 + x * -1) = 9x + -8
9 + (-7 + -1x) = 9x + -8

Combine like terms: 9 + -7 = 2
2 + -1x = 9x + -8

Reorder the terms:
2 + -1x = -8 + 9x

Solving
2 + -1x = -8 + 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.
2 + -1x + -9x = -8 + 9x + -9x

Combine like terms: -1x + -9x = -10x
2 + -10x = -8 + 9x + -9x

Combine like terms: 9x + -9x = 0
2 + -10x = -8 + 0
2 + -10x = -8

Add '-2' to each side of the equation.
2 + -2 + -10x = -8 + -2

Combine like terms: 2 + -2 = 0
0 + -10x = -8 + -2
-10x = -8 + -2

Combine like terms: -8 + -2 = -10
-10x = -10

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

Simplifying
x = 1

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