9-3x-5x=-31

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Solution for 9-3x-5x=-31 equation: 


Simplifying
9 + -3x + -5x = -31

Combine like terms: -3x + -5x = -8x
9 + -8x = -31

Solving
9 + -8x = -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 + -8x = -31 + -9

Combine like terms: 9 + -9 = 0
0 + -8x = -31 + -9
-8x = -31 + -9

Combine like terms: -31 + -9 = -40
-8x = -40

Divide each side by '-8'.
x = 5

Simplifying
x = 5

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