8+7=x+8

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Solution for 8+7=x+8 equation:


Simplifying
8 + 7 = x + 8

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

Reorder the terms:
15 = 8 + x

Solving
15 = 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.
15 + -1x = 8 + x + -1x

Combine like terms: x + -1x = 0
15 + -1x = 8 + 0
15 + -1x = 8

Add '-15' to each side of the equation.
15 + -15 + -1x = 8 + -15

Combine like terms: 15 + -15 = 0
0 + -1x = 8 + -15
-1x = 8 + -15

Combine like terms: 8 + -15 = -7
-1x = -7

Divide each side by '-1'.
x = 7

Simplifying
x = 7

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