9w-18w=-63

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Solution for 9w-18w=-63 equation: 


Simplifying
9w + -18w = -63

Combine like terms: 9w + -18w = -9w
-9w = -63

Solving
-9w = -63

Solving for variable 'w'.

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

Divide each side by '-9'.
w = 7

Simplifying
w = 7

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