-21=-3+3w

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Solution for -21=-3+3w equation:


Simplifying
-21 = -3 + 3w

Solving
-21 = -3 + 3w

Solving for variable 'w'.

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

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

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

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

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

Combine like terms: -3 + 21 = 18
-3w = 18

Divide each side by '-3'.
w = -6

Simplifying
w = -6

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