7+3r-12r=3r+1

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Solution for 7+3r-12r=3r+1 equation: 



7+3r-12r=3r+1

We move all terms to the left:

7+3r-12r-(3r+1)=0

We add all the numbers together, and all the variables

-9r-(3r+1)+7=0

We get rid of parentheses

-9r-3r-1+7=0

We add all the numbers together, and all the variables

-12r+6=0

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

-12r=-6

r=-6/-12

r=1/2

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