-10+2x+x=-31

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Solution for -10+2x+x=-31 equation: 


Simplifying
-10 + 2x + x = -31

Combine like terms: 2x + x = 3x
-10 + 3x = -31

Solving
-10 + 3x = -31

Solving for variable 'x'.

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

Add '10' to each side of the equation.
-10 + 10 + 3x = -31 + 10

Combine like terms: -10 + 10 = 0
0 + 3x = -31 + 10
3x = -31 + 10

Combine like terms: -31 + 10 = -21
3x = -21

Divide each side by '3'.
x = -7

Simplifying
x = -7

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