7-x+8=x+15

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


Simplifying
7 + -1x + 8 = x + 15

Reorder the terms:
7 + 8 + -1x = x + 15

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

Reorder the terms:
15 + -1x = 15 + x

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

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

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

Solving
-1x = 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.
-1x + -1x = x + -1x

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

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

Divide each side by '-2'.
x = 0

Simplifying
x = 0

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