7x-9=-6x-139

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Solution for 7x-9=-6x-139 equation:


Simplifying
7x + -9 = -6x + -139

Reorder the terms:
-9 + 7x = -6x + -139

Reorder the terms:
-9 + 7x = -139 + -6x

Solving
-9 + 7x = -139 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
-9 + 7x + 6x = -139 + -6x + 6x

Combine like terms: 7x + 6x = 13x
-9 + 13x = -139 + -6x + 6x

Combine like terms: -6x + 6x = 0
-9 + 13x = -139 + 0
-9 + 13x = -139

Add '9' to each side of the equation.
-9 + 9 + 13x = -139 + 9

Combine like terms: -9 + 9 = 0
0 + 13x = -139 + 9
13x = -139 + 9

Combine like terms: -139 + 9 = -130
13x = -130

Divide each side by '13'.
x = -10

Simplifying
x = -10

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