-2x-7x=31-13

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Solution for -2x-7x=31-13 equation: 


Simplifying
-2x + -7x = 31 + -13

Combine like terms: -2x + -7x = -9x
-9x = 31 + -13

Combine like terms: 31 + -13 = 18
-9x = 18

Solving
-9x = 18

Solving for variable 'x'.

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

Divide each side by '-9'.
x = -2

Simplifying
x = -2

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