3(w-1)=9

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Solution for 3(w-1)=9 equation: 


Simplifying
3(w + -1) = 9

Reorder the terms:
3(-1 + w) = 9
(-1 * 3 + w * 3) = 9
(-3 + 3w) = 9

Solving
-3 + 3w = 9

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 = 9 + 3

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

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

Divide each side by '3'.
w = 4

Simplifying
w = 4

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