12x-139=56-x

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Solution for 12x-139=56-x equation:


Simplifying
12x + -139 = 56 + -1x

Reorder the terms:
-139 + 12x = 56 + -1x

Solving
-139 + 12x = 56 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-139 + 12x + x = 56 + -1x + x

Combine like terms: 12x + x = 13x
-139 + 13x = 56 + -1x + x

Combine like terms: -1x + x = 0
-139 + 13x = 56 + 0
-139 + 13x = 56

Add '139' to each side of the equation.
-139 + 139 + 13x = 56 + 139

Combine like terms: -139 + 139 = 0
0 + 13x = 56 + 139
13x = 56 + 139

Combine like terms: 56 + 139 = 195
13x = 195

Divide each side by '13'.
x = 15

Simplifying
x = 15

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