6+r+r=1+3r

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Solution for 6+r+r=1+3r equation: 



6+r+r=1+3r

We move all terms to the left:

6+r+r-(1+3r)=0

We add all the numbers together, and all the variables

r+r-(3r+1)+6=0

We add all the numbers together, and all the variables

2r-(3r+1)+6=0

We get rid of parentheses

2r-3r-1+6=0

We add all the numbers together, and all the variables

-1r+5=0

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

-r=-5

r=-5/-1

r=+5

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