2+3r=-5(7-8r)

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Solution for 2+3r=-5(7-8r) equation: 



2+3r=-5(7-8r)

We move all terms to the left:

2+3r-(-5(7-8r))=0

We add all the numbers together, and all the variables

3r-(-5(-8r+7))+2=0



We calculate terms in parentheses: -(-5(-8r+7)), so:

-5(-8r+7)

We multiply parentheses

40r-35

Back to the equation:

-(40r-35)



We get rid of parentheses

3r-40r+35+2=0

We add all the numbers together, and all the variables

-37r+37=0

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

-37r=-37

r=-37/-37

r=1

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