3r=3+4r

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Solution for 3r=3+4r equation: 



3r=3+4r

We move all terms to the left:

3r-(3+4r)=0

We add all the numbers together, and all the variables

3r-(4r+3)=0

We get rid of parentheses

3r-4r-3=0

We add all the numbers together, and all the variables

-1r-3=0

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

-r=3

r=3/-1

r=-3

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