3(w-4)=9

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Solution for 3(w-4)=9 equation: 


Simplifying
3(w + -4) = 9

Reorder the terms:
3(-4 + w) = 9
(-4 * 3 + w * 3) = 9
(-12 + 3w) = 9

Solving
-12 + 3w = 9

Solving for variable 'w'.

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

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

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

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

Divide each side by '3'.
w = 7

Simplifying
w = 7

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