-x-12=31-2x

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Solution for -x-12=31-2x equation:


Simplifying
-1x + -12 = 31 + -2x

Reorder the terms:
-12 + -1x = 31 + -2x

Solving
-12 + -1x = 31 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
-12 + -1x + 2x = 31 + -2x + 2x

Combine like terms: -1x + 2x = 1x
-12 + 1x = 31 + -2x + 2x

Combine like terms: -2x + 2x = 0
-12 + 1x = 31 + 0
-12 + 1x = 31

Add '12' to each side of the equation.
-12 + 12 + 1x = 31 + 12

Combine like terms: -12 + 12 = 0
0 + 1x = 31 + 12
1x = 31 + 12

Combine like terms: 31 + 12 = 43
1x = 43

Divide each side by '1'.
x = 43

Simplifying
x = 43

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