-139-10x=10x+21

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Solution for -139-10x=10x+21 equation:


Simplifying
-139 + -10x = 10x + 21

Reorder the terms:
-139 + -10x = 21 + 10x

Solving
-139 + -10x = 21 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
-139 + -10x + -10x = 21 + 10x + -10x

Combine like terms: -10x + -10x = -20x
-139 + -20x = 21 + 10x + -10x

Combine like terms: 10x + -10x = 0
-139 + -20x = 21 + 0
-139 + -20x = 21

Add '139' to each side of the equation.
-139 + 139 + -20x = 21 + 139

Combine like terms: -139 + 139 = 0
0 + -20x = 21 + 139
-20x = 21 + 139

Combine like terms: 21 + 139 = 160
-20x = 160

Divide each side by '-20'.
x = -8

Simplifying
x = -8

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