21=-3+4w

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Solution for 21=-3+4w equation:


Simplifying
21 = -3 + 4w

Solving
21 = -3 + 4w

Solving for variable 'w'.

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

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

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

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

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

Combine like terms: -3 + -21 = -24
-4w = -24

Divide each side by '-4'.
w = 6

Simplifying
w = 6

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