3w+7=8w-13

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Solution for 3w+7=8w-13 equation: 



3w+7=8w-13

We move all terms to the left:

3w+7-(8w-13)=0

We get rid of parentheses

3w-8w+13+7=0

We add all the numbers together, and all the variables

-5w+20=0

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

-5w=-20

w=-20/-5

w=+4

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