-7=-15-x

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Solution for -7=-15-x equation:


Simplifying
-7 = -15 + -1x

Solving
-7 = -15 + -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 = -15 + -1x + x

Combine like terms: -1x + x = 0
-7 + x = -15 + 0
-7 + x = -15

Add '7' to each side of the equation.
-7 + 7 + x = -15 + 7

Combine like terms: -7 + 7 = 0
0 + x = -15 + 7
x = -15 + 7

Combine like terms: -15 + 7 = -8
x = -8

Simplifying
x = -8

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