9+2x+2x=-31

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Solution for 9+2x+2x=-31 equation: 


Simplifying
9 + 2x + 2x = -31

Combine like terms: 2x + 2x = 4x
9 + 4x = -31

Solving
9 + 4x = -31

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 4x = -31 + -9

Combine like terms: 9 + -9 = 0
0 + 4x = -31 + -9
4x = -31 + -9

Combine like terms: -31 + -9 = -40
4x = -40

Divide each side by '4'.
x = -10

Simplifying
x = -10

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