3(w-3)=12

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Solution for 3(w-3)=12 equation: 


Simplifying
3(w + -3) = 12

Reorder the terms:
3(-3 + w) = 12
(-3 * 3 + w * 3) = 12
(-9 + 3w) = 12

Solving
-9 + 3w = 12

Solving for variable 'w'.

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

Add '9' to each side of the equation.
-9 + 9 + 3w = 12 + 9

Combine like terms: -9 + 9 = 0
0 + 3w = 12 + 9
3w = 12 + 9

Combine like terms: 12 + 9 = 21
3w = 21

Divide each side by '3'.
w = 7

Simplifying
w = 7

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