5r=-3(r+3)7

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



5r=-3(r+3)7

We move all terms to the left:

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



We calculate terms in parentheses: -(-3(r+3)7), so:

-3(r+3)7

We multiply parentheses

-21r-63

Back to the equation:

-(-21r-63)



We get rid of parentheses

5r+21r+63=0

We add all the numbers together, and all the variables

26r+63=0

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

26r=-63

r=-63/26

r=-2+11/26

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