-31=9-4w

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Solution for -31=9-4w equation:


Simplifying
-31 = 9 + -4w

Solving
-31 = 9 + -4w

Solving for variable 'w'.

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

Add '4w' to each side of the equation.
-31 + 4w = 9 + -4w + 4w

Combine like terms: -4w + 4w = 0
-31 + 4w = 9 + 0
-31 + 4w = 9

Add '31' to each side of the equation.
-31 + 31 + 4w = 9 + 31

Combine like terms: -31 + 31 = 0
0 + 4w = 9 + 31
4w = 9 + 31

Combine like terms: 9 + 31 = 40
4w = 40

Divide each side by '4'.
w = 10

Simplifying
w = 10

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