-(-x-7)=-9-x

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


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

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

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

Solving for variable 'x'.

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

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

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

Combine like terms: -1x + x = 0
7 + 2x = -9 + 0
7 + 2x = -9

Add '-7' to each side of the equation.
7 + -7 + 2x = -9 + -7

Combine like terms: 7 + -7 = 0
0 + 2x = -9 + -7
2x = -9 + -7

Combine like terms: -9 + -7 = -16
2x = -16

Divide each side by '2'.
x = -8

Simplifying
x = -8

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