4w-7w=21

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Solution for 4w-7w=21 equation: 


Simplifying
4w + -7w = 21

Combine like terms: 4w + -7w = -3w
-3w = 21

Solving
-3w = 21

Solving for variable 'w'.

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

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

Simplifying
w = -7

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