-10x-21=-12x+31

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Solution for -10x-21=-12x+31 equation:


Simplifying
-10x + -21 = -12x + 31

Reorder the terms:
-21 + -10x = -12x + 31

Reorder the terms:
-21 + -10x = 31 + -12x

Solving
-21 + -10x = 31 + -12x

Solving for variable 'x'.

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

Add '12x' to each side of the equation.
-21 + -10x + 12x = 31 + -12x + 12x

Combine like terms: -10x + 12x = 2x
-21 + 2x = 31 + -12x + 12x

Combine like terms: -12x + 12x = 0
-21 + 2x = 31 + 0
-21 + 2x = 31

Add '21' to each side of the equation.
-21 + 21 + 2x = 31 + 21

Combine like terms: -21 + 21 = 0
0 + 2x = 31 + 21
2x = 31 + 21

Combine like terms: 31 + 21 = 52
2x = 52

Divide each side by '2'.
x = 26

Simplifying
x = 26

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