x+7=-x-7

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Solution for x+7=-x-7 equation:


Simplifying
x + 7 = -1x + -7

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

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

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

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

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

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

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

Combine like terms: -7 + -7 = -14
2x = -14

Divide each side by '2'.
x = -7

Simplifying
x = -7

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