8w-w=21

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Solution for 8w-w=21 equation: 


Simplifying
8w + -1w = 21

Combine like terms: 8w + -1w = 7w
7w = 21

Solving
7w = 21

Solving for variable 'w'.

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

Divide each side by '7'.
w = 3

Simplifying
w = 3

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