2r=8+10r

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Solution for 2r=8+10r equation: 



2r=8+10r

We move all terms to the left:

2r-(8+10r)=0

We add all the numbers together, and all the variables

2r-(10r+8)=0

We get rid of parentheses

2r-10r-8=0

We add all the numbers together, and all the variables

-8r-8=0

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

-8r=8

r=8/-8

r=-1

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