139-6x=4x+9

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Solution for 139-6x=4x+9 equation:


Simplifying
139 + -6x = 4x + 9

Reorder the terms:
139 + -6x = 9 + 4x

Solving
139 + -6x = 9 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
139 + -6x + -4x = 9 + 4x + -4x

Combine like terms: -6x + -4x = -10x
139 + -10x = 9 + 4x + -4x

Combine like terms: 4x + -4x = 0
139 + -10x = 9 + 0
139 + -10x = 9

Add '-139' to each side of the equation.
139 + -139 + -10x = 9 + -139

Combine like terms: 139 + -139 = 0
0 + -10x = 9 + -139
-10x = 9 + -139

Combine like terms: 9 + -139 = -130
-10x = -130

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

Simplifying
x = 13

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