7w+5w=3w-15

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Solution for 7w+5w=3w-15 equation: 



7w+5w=3w-15

We move all terms to the left:

7w+5w-(3w-15)=0

We add all the numbers together, and all the variables

12w-(3w-15)=0

We get rid of parentheses

12w-3w+15=0

We add all the numbers together, and all the variables

9w+15=0

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

9w=-15

w=-15/9

w=-1+2/3

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