12+5w+4w=15

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Solution for 12+5w+4w=15 equation: 


Simplifying
12 + 5w + 4w = 15

Combine like terms: 5w + 4w = 9w
12 + 9w = 15

Solving
12 + 9w = 15

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 + 9w = 15 + -12

Combine like terms: 12 + -12 = 0
0 + 9w = 15 + -12
9w = 15 + -12

Combine like terms: 15 + -12 = 3
9w = 3

Divide each side by '9'.
w = 0.3333333333

Simplifying
w = 0.3333333333

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