3r+12=76

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Solution for 3r+12=76 equation: 



3r+12=76

We move all terms to the left:

3r+12-(76)=0

We add all the numbers together, and all the variables

3r-64=0

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

3r=64

r=64/3

r=21+1/3

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