13+9x+138=3x-7

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Solution for 13+9x+138=3x-7 equation:


Simplifying
13 + 9x + 138 = 3x + -7

Reorder the terms:
13 + 138 + 9x = 3x + -7

Combine like terms: 13 + 138 = 151
151 + 9x = 3x + -7

Reorder the terms:
151 + 9x = -7 + 3x

Solving
151 + 9x = -7 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
151 + 9x + -3x = -7 + 3x + -3x

Combine like terms: 9x + -3x = 6x
151 + 6x = -7 + 3x + -3x

Combine like terms: 3x + -3x = 0
151 + 6x = -7 + 0
151 + 6x = -7

Add '-151' to each side of the equation.
151 + -151 + 6x = -7 + -151

Combine like terms: 151 + -151 = 0
0 + 6x = -7 + -151
6x = -7 + -151

Combine like terms: -7 + -151 = -158
6x = -158

Divide each side by '6'.
x = -26.33333333

Simplifying
x = -26.33333333

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