12w+-15w=-18

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Solution for 12w+-15w=-18 equation: 



12w+-15w=-18

We move all terms to the left:

12w+-15w-(-18)=0

We add all the numbers together, and all the variables

-3w+18=0

We move all terms containing w to the left, all other terms to the right

-3w=-18

w=-18/-3

w=+6

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