-39-10x=10x-21

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Solution for -39-10x=10x-21 equation:


Simplifying
-39 + -10x = 10x + -21

Reorder the terms:
-39 + -10x = -21 + 10x

Solving
-39 + -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.
-39 + -10x + -10x = -21 + 10x + -10x

Combine like terms: -10x + -10x = -20x
-39 + -20x = -21 + 10x + -10x

Combine like terms: 10x + -10x = 0
-39 + -20x = -21 + 0
-39 + -20x = -21

Add '39' to each side of the equation.
-39 + 39 + -20x = -21 + 39

Combine like terms: -39 + 39 = 0
0 + -20x = -21 + 39
-20x = -21 + 39

Combine like terms: -21 + 39 = 18
-20x = 18

Divide each side by '-20'.
x = -0.9

Simplifying
x = -0.9

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