31=3w+9-8w

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


Simplifying
31 = 3w + 9 + -8w

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

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

Solving
31 = 9 + -5w

Solving for variable 'w'.

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

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

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

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

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

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

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

Simplifying
w = -4.4

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