-115-8x=7x+20

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Solution for -115-8x=7x+20 equation:


Simplifying
-115 + -8x = 7x + 20

Reorder the terms:
-115 + -8x = 20 + 7x

Solving
-115 + -8x = 20 + 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.
-115 + -8x + -7x = 20 + 7x + -7x

Combine like terms: -8x + -7x = -15x
-115 + -15x = 20 + 7x + -7x

Combine like terms: 7x + -7x = 0
-115 + -15x = 20 + 0
-115 + -15x = 20

Add '115' to each side of the equation.
-115 + 115 + -15x = 20 + 115

Combine like terms: -115 + 115 = 0
0 + -15x = 20 + 115
-15x = 20 + 115

Combine like terms: 20 + 115 = 135
-15x = 135

Divide each side by '-15'.
x = -9

Simplifying
x = -9

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