2r-3=7+7r

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Solution for 2r-3=7+7r equation: 



2r-3=7+7r

We move all terms to the left:

2r-3-(7+7r)=0

We add all the numbers together, and all the variables

2r-(7r+7)-3=0

We get rid of parentheses

2r-7r-7-3=0

We add all the numbers together, and all the variables

-5r-10=0

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

-5r=10

r=10/-5

r=-2

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