2(5r+10)=15(2r-16)

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Solution for 2(5r+10)=15(2r-16) equation: 



2(5r+10)=15(2r-16)

We move all terms to the left:

2(5r+10)-(15(2r-16))=0

We multiply parentheses

10r-(15(2r-16))+20=0



We calculate terms in parentheses: -(15(2r-16)), so:

15(2r-16)

We multiply parentheses

30r-240

Back to the equation:

-(30r-240)



We get rid of parentheses

10r-30r+240+20=0

We add all the numbers together, and all the variables

-20r+260=0

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

-20r=-260

r=-260/-20

r=+13

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