15-4w-5w=-75

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Solution for 15-4w-5w=-75 equation: 


Simplifying
15 + -4w + -5w = -75

Combine like terms: -4w + -5w = -9w
15 + -9w = -75

Solving
15 + -9w = -75

Solving for variable 'w'.

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

Add '-15' to each side of the equation.
15 + -15 + -9w = -75 + -15

Combine like terms: 15 + -15 = 0
0 + -9w = -75 + -15
-9w = -75 + -15

Combine like terms: -75 + -15 = -90
-9w = -90

Divide each side by '-9'.
w = 10

Simplifying
w = 10

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