3W+(-3)=21

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Solution for 3W+(-3)=21 equation: 


Simplifying
3W + (-3) = 21
3W + -3 = 21

Reorder the terms:
-3 + 3W = 21

Solving
-3 + 3W = 21

Solving for variable 'W'.

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

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

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

Combine like terms: 21 + 3 = 24
3W = 24

Divide each side by '3'.
W = 8

Simplifying
W = 8

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