2x+12-x=15-7x-8

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Solution for 2x+12-x=15-7x-8 equation:


Simplifying
2x + 12 + -1x = 15 + -7x + -8

Reorder the terms:
12 + 2x + -1x = 15 + -7x + -8

Combine like terms: 2x + -1x = 1x
12 + 1x = 15 + -7x + -8

Reorder the terms:
12 + 1x = 15 + -8 + -7x

Combine like terms: 15 + -8 = 7
12 + 1x = 7 + -7x

Solving
12 + 1x = 7 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
12 + 1x + 7x = 7 + -7x + 7x

Combine like terms: 1x + 7x = 8x
12 + 8x = 7 + -7x + 7x

Combine like terms: -7x + 7x = 0
12 + 8x = 7 + 0
12 + 8x = 7

Add '-12' to each side of the equation.
12 + -12 + 8x = 7 + -12

Combine like terms: 12 + -12 = 0
0 + 8x = 7 + -12
8x = 7 + -12

Combine like terms: 7 + -12 = -5
8x = -5

Divide each side by '8'.
x = -0.625

Simplifying
x = -0.625

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