7r+2=5r-1

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Solution for 7r+2=5r-1 equation: 



7r+2=5r-1

We move all terms to the left:

7r+2-(5r-1)=0

We get rid of parentheses

7r-5r+1+2=0

We add all the numbers together, and all the variables

2r+3=0

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

2r=-3

r=-3/2

r=-1+1/2

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