7r-5r+2=5r+2-1

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



7r-5r+2=5r+2-1

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

2r-5r-1+2=0

We add all the numbers together, and all the variables

-3r+1=0

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

-3r=-1

r=-1/-3

r=1/3

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