7x-86=166-5x

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Solution for 7x-86=166-5x equation:


Simplifying
7x + -86 = 166 + -5x

Reorder the terms:
-86 + 7x = 166 + -5x

Solving
-86 + 7x = 166 + -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.
-86 + 7x + 5x = 166 + -5x + 5x

Combine like terms: 7x + 5x = 12x
-86 + 12x = 166 + -5x + 5x

Combine like terms: -5x + 5x = 0
-86 + 12x = 166 + 0
-86 + 12x = 166

Add '86' to each side of the equation.
-86 + 86 + 12x = 166 + 86

Combine like terms: -86 + 86 = 0
0 + 12x = 166 + 86
12x = 166 + 86

Combine like terms: 166 + 86 = 252
12x = 252

Divide each side by '12'.
x = 21

Simplifying
x = 21

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