3-r=2r-1

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Solution for 3-r=2r-1 equation: 



3-r=2r-1

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-1r-2r+1+3=0

We add all the numbers together, and all the variables

-3r+4=0

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

-3r=-4

r=-4/-3

r=1+1/3

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