15-3w=9

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Solution for 15-3w=9 equation: 


Simplifying
15 + -3w = 9

Solving
15 + -3w = 9

Solving for variable 'w'.

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

Add '-15' to each side of the equation.
15 + -15 + -3w = 9 + -15

Combine like terms: 15 + -15 = 0
0 + -3w = 9 + -15
-3w = 9 + -15

Combine like terms: 9 + -15 = -6
-3w = -6

Divide each side by '-3'.
w = 2

Simplifying
w = 2

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