57=8w-15

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Solution for 57=8w-15 equation:


Simplifying
57 = 8w + -15

Reorder the terms:
57 = -15 + 8w

Solving
57 = -15 + 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.
57 + -8w = -15 + 8w + -8w

Combine like terms: 8w + -8w = 0
57 + -8w = -15 + 0
57 + -8w = -15

Add '-57' to each side of the equation.
57 + -57 + -8w = -15 + -57

Combine like terms: 57 + -57 = 0
0 + -8w = -15 + -57
-8w = -15 + -57

Combine like terms: -15 + -57 = -72
-8w = -72

Divide each side by '-8'.
w = 9

Simplifying
w = 9

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