-w-9=21

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Solution for -w-9=21 equation:


Simplifying
-1w + -9 = 21

Reorder the terms:
-9 + -1w = 21

Solving
-9 + -1w = 21

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 + -1w = 21 + 9

Combine like terms: -9 + 9 = 0
0 + -1w = 21 + 9
-1w = 21 + 9

Combine like terms: 21 + 9 = 30
-1w = 30

Divide each side by '-1'.
w = -30

Simplifying
w = -30

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