7-8x=12+5x-20

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Solution for 7-8x=12+5x-20 equation:


Simplifying
7 + -8x = 12 + 5x + -20

Reorder the terms:
7 + -8x = 12 + -20 + 5x

Combine like terms: 12 + -20 = -8
7 + -8x = -8 + 5x

Solving
7 + -8x = -8 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
7 + -8x + -5x = -8 + 5x + -5x

Combine like terms: -8x + -5x = -13x
7 + -13x = -8 + 5x + -5x

Combine like terms: 5x + -5x = 0
7 + -13x = -8 + 0
7 + -13x = -8

Add '-7' to each side of the equation.
7 + -7 + -13x = -8 + -7

Combine like terms: 7 + -7 = 0
0 + -13x = -8 + -7
-13x = -8 + -7

Combine like terms: -8 + -7 = -15
-13x = -15

Divide each side by '-13'.
x = 1.153846154

Simplifying
x = 1.153846154

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