2(r+12)=72

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Solution for 2(r+12)=72 equation: 



2(r+12)=72

We move all terms to the left:

2(r+12)-(72)=0

We multiply parentheses

2r+24-72=0

We add all the numbers together, and all the variables

2r-48=0

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

2r=48

r=48/2

r=24

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