w=8w-21

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Solution for w=8w-21 equation: 


Simplifying
w = 8w + -21

Reorder the terms:
w = -21 + 8w

Solving
w = -21 + 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.
w + -8w = -21 + 8w + -8w

Combine like terms: w + -8w = -7w
-7w = -21 + 8w + -8w

Combine like terms: 8w + -8w = 0
-7w = -21 + 0
-7w = -21

Divide each side by '-7'.
w = 3

Simplifying
w = 3

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