3w+9-8w=-31

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


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

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

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

Solving
9 + -5w = -31

Solving for variable 'w'.

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

Add '-9' to each side of the equation.
9 + -9 + -5w = -31 + -9

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

Combine like terms: -31 + -9 = -40
-5w = -40

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

Simplifying
w = 8

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