3x+-9-8x=-31

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Solution for 3x+-9-8x=-31 equation: 


Simplifying
3x + -9 + -8x = -31

Reorder the terms:
-9 + 3x + -8x = -31

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

Solving
-9 + -5x = -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 + -5x = -31 + 9

Combine like terms: -9 + 9 = 0
0 + -5x = -31 + 9
-5x = -31 + 9

Combine like terms: -31 + 9 = -22
-5x = -22

Divide each side by '-5'.
x = 4.4

Simplifying
x = 4.4

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