10+2r=-5r+4(7r-8)

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Solution for 10+2r=-5r+4(7r-8) equation: 



10+2r=-5r+4(7r-8)

We move all terms to the left:

10+2r-(-5r+4(7r-8))=0



We calculate terms in parentheses: -(-5r+4(7r-8)), so:

-5r+4(7r-8)

We multiply parentheses

-5r+28r-32

We add all the numbers together, and all the variables

23r-32

Back to the equation:

-(23r-32)



We get rid of parentheses

2r-23r+32+10=0

We add all the numbers together, and all the variables

-21r+42=0

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

-21r=-42

r=-42/-21

r=+2

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