8r+12=52

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Solution for 8r+12=52 equation: 



8r+12=52

We move all terms to the left:

8r+12-(52)=0

We add all the numbers together, and all the variables

8r-40=0

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

8r=40

r=40/8

r=5

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