7w-25=-3(5-3w)

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Solution for 7w-25=-3(5-3w) equation: 



7w-25=-3(5-3w)

We move all terms to the left:

7w-25-(-3(5-3w))=0

We add all the numbers together, and all the variables

7w-(-3(-3w+5))-25=0



We calculate terms in parentheses: -(-3(-3w+5)), so:

-3(-3w+5)

We multiply parentheses

9w-15

Back to the equation:

-(9w-15)



We get rid of parentheses

7w-9w+15-25=0

We add all the numbers together, and all the variables

-2w-10=0

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

-2w=10

w=10/-2

w=-5

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