-5(7+r)=-3(5r+5)

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Solution for -5(7+r)=-3(5r+5) equation: 



-5(7+r)=-3(5r+5)

We move all terms to the left:

-5(7+r)-(-3(5r+5))=0

We add all the numbers together, and all the variables

-5(r+7)-(-3(5r+5))=0

We multiply parentheses

-5r-(-3(5r+5))-35=0



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

-3(5r+5)

We multiply parentheses

-15r-15

Back to the equation:

-(-15r-15)



We get rid of parentheses

-5r+15r+15-35=0

We add all the numbers together, and all the variables

10r-20=0

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

10r=20

r=20/10

r=2

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