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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

3r-(2(2r-10))+8=0



We calculate terms in parentheses: -(2(2r-10)), so:

2(2r-10)

We multiply parentheses

4r-20

Back to the equation:

-(4r-20)



We get rid of parentheses

3r-4r+20+8=0

We add all the numbers together, and all the variables

-1r+28=0

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

-r=-28

r=-28/-1

r=+28

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