21-4w=3y

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Solution for 21-4w=3y equation: 


Simplifying
21 + -4w = 3y

Solving
21 + -4w = 3y

Solving for variable 'w'.

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

Add '-21' to each side of the equation.
21 + -21 + -4w = -21 + 3y

Combine like terms: 21 + -21 = 0
0 + -4w = -21 + 3y
-4w = -21 + 3y

Divide each side by '-4'.
w = 5.25 + -0.75y

Simplifying
w = 5.25 + -0.75y

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