-15=9-4w

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Solution for -15=9-4w equation:


Simplifying
-15 = 9 + -4w

Solving
-15 = 9 + -4w

Solving for variable 'w'.

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

Add '4w' to each side of the equation.
-15 + 4w = 9 + -4w + 4w

Combine like terms: -4w + 4w = 0
-15 + 4w = 9 + 0
-15 + 4w = 9

Add '15' to each side of the equation.
-15 + 15 + 4w = 9 + 15

Combine like terms: -15 + 15 = 0
0 + 4w = 9 + 15
4w = 9 + 15

Combine like terms: 9 + 15 = 24
4w = 24

Divide each side by '4'.
w = 6

Simplifying
w = 6

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