-37+8r=7(5+3r)-r

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Solution for -37+8r=7(5+3r)-r equation: 



-37+8r=7(5+3r)-r

We move all terms to the left:

-37+8r-(7(5+3r)-r)=0

We add all the numbers together, and all the variables

8r-(7(3r+5)-r)-37=0



We calculate terms in parentheses: -(7(3r+5)-r), so:

7(3r+5)-r

We add all the numbers together, and all the variables

-1r+7(3r+5)

We multiply parentheses

-1r+21r+35

We add all the numbers together, and all the variables

20r+35

Back to the equation:

-(20r+35)



We get rid of parentheses

8r-20r-35-37=0

We add all the numbers together, and all the variables

-12r-72=0

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

-12r=72

r=72/-12

r=-6

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