-15+7=x+8

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Solution for -15+7=x+8 equation:


Simplifying
-15 + 7 = x + 8

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

Reorder the terms:
-8 = 8 + x

Solving
-8 = 8 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-8 + -1x = 8 + x + -1x

Combine like terms: x + -1x = 0
-8 + -1x = 8 + 0
-8 + -1x = 8

Add '8' to each side of the equation.
-8 + 8 + -1x = 8 + 8

Combine like terms: -8 + 8 = 0
0 + -1x = 8 + 8
-1x = 8 + 8

Combine like terms: 8 + 8 = 16
-1x = 16

Divide each side by '-1'.
x = -16

Simplifying
x = -16

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