10+r=2(2r+2)

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Solution for 10+r=2(2r+2) equation: 



10+r=2(2r+2)

We move all terms to the left:

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



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

2(2r+2)

We multiply parentheses

4r+4

Back to the equation:

-(4r+4)



We get rid of parentheses

r-4r-4+10=0

We add all the numbers together, and all the variables

-3r+6=0

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

-3r=-6

r=-6/-3

r=+2

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