-40=w-9

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Solution for -40=w-9 equation:


Simplifying
-40 = w + -9

Reorder the terms:
-40 = -9 + w

Solving
-40 = -9 + w

Solving for variable 'w'.

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

Add '-1w' to each side of the equation.
-40 + -1w = -9 + w + -1w

Combine like terms: w + -1w = 0
-40 + -1w = -9 + 0
-40 + -1w = -9

Add '40' to each side of the equation.
-40 + 40 + -1w = -9 + 40

Combine like terms: -40 + 40 = 0
0 + -1w = -9 + 40
-1w = -9 + 40

Combine like terms: -9 + 40 = 31
-1w = 31

Divide each side by '-1'.
w = -31

Simplifying
w = -31

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