3r+7=38r+12

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Solution for 3r+7=38r+12 equation: 



3r+7=38r+12

We move all terms to the left:

3r+7-(38r+12)=0

We get rid of parentheses

3r-38r-12+7=0

We add all the numbers together, and all the variables

-35r-5=0

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

-35r=5

r=5/-35

r=-1/7

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