2(r+2)=8

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Solution for 2(r+2)=8 equation: 



2(r+2)=8

We move all terms to the left:

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

We multiply parentheses

2r+4-8=0

We add all the numbers together, and all the variables

2r-4=0

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

2r=4

r=4/2

r=2

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