9w-12w=-15

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Solution for 9w-12w=-15 equation: 


Simplifying
9w + -12w = -15

Combine like terms: 9w + -12w = -3w
-3w = -15

Solving
-3w = -15

Solving for variable 'w'.

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

Divide each side by '-3'.
w = 5

Simplifying
w = 5

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