4=2(r+7)+4

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Solution for 4=2(r+7)+4 equation: 



4=2(r+7)+4

We move all terms to the left:

4-(2(r+7)+4)=0



We calculate terms in parentheses: -(2(r+7)+4), so:

2(r+7)+4

We multiply parentheses

2r+14+4

We add all the numbers together, and all the variables

2r+18

Back to the equation:

-(2r+18)



We get rid of parentheses

-2r-18+4=0

We add all the numbers together, and all the variables

-2r-14=0

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

-2r=14

r=14/-2

r=-7

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