-8+3r=4+r

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Solution for -8+3r=4+r equation: 



-8+3r=4+r

We move all terms to the left:

-8+3r-(4+r)=0

We add all the numbers together, and all the variables

3r-(r+4)-8=0

We get rid of parentheses

3r-r-4-8=0

We add all the numbers together, and all the variables

2r-12=0

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

2r=12

r=12/2

r=6

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