-7+5x+7x=-139

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Solution for -7+5x+7x=-139 equation: 


Simplifying
-7 + 5x + 7x = -139

Combine like terms: 5x + 7x = 12x
-7 + 12x = -139

Solving
-7 + 12x = -139

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 12x = -139 + 7

Combine like terms: -7 + 7 = 0
0 + 12x = -139 + 7
12x = -139 + 7

Combine like terms: -139 + 7 = -132
12x = -132

Divide each side by '12'.
x = -11

Simplifying
x = -11

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