8r+12=36

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Solution for 8r+12=36 equation: 



8r+12=36

We move all terms to the left:

8r+12-(36)=0

We add all the numbers together, and all the variables

8r-24=0

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

8r=24

r=24/8

r=3

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