x-13-8=-31

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Solution for x-13-8=-31 equation: 


Simplifying
x + -13 + -8 = -31

Reorder the terms:
-13 + -8 + x = -31

Combine like terms: -13 + -8 = -21
-21 + x = -31

Solving
-21 + x = -31

Solving for variable 'x'.

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

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

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

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

Simplifying
x = -10

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