135-7x=8x+15

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Solution for 135-7x=8x+15 equation:


Simplifying
135 + -7x = 8x + 15

Reorder the terms:
135 + -7x = 15 + 8x

Solving
135 + -7x = 15 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
135 + -7x + -8x = 15 + 8x + -8x

Combine like terms: -7x + -8x = -15x
135 + -15x = 15 + 8x + -8x

Combine like terms: 8x + -8x = 0
135 + -15x = 15 + 0
135 + -15x = 15

Add '-135' to each side of the equation.
135 + -135 + -15x = 15 + -135

Combine like terms: 135 + -135 = 0
0 + -15x = 15 + -135
-15x = 15 + -135

Combine like terms: 15 + -135 = -120
-15x = -120

Divide each side by '-15'.
x = 8

Simplifying
x = 8

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