15=-8w+9

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Solution for 15=-8w+9 equation:


Simplifying
15 = -8w + 9

Reorder the terms:
15 = 9 + -8w

Solving
15 = 9 + -8w

Solving for variable 'w'.

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

Add '8w' to each side of the equation.
15 + 8w = 9 + -8w + 8w

Combine like terms: -8w + 8w = 0
15 + 8w = 9 + 0
15 + 8w = 9

Add '-15' to each side of the equation.
15 + -15 + 8w = 9 + -15

Combine like terms: 15 + -15 = 0
0 + 8w = 9 + -15
8w = 9 + -15

Combine like terms: 9 + -15 = -6
8w = -6

Divide each side by '8'.
w = -0.75

Simplifying
w = -0.75

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