3.5r+2=r

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Solution for 3.5r+2=r equation: 



3.5r+2=r

We move all terms to the left:

3.5r+2-(r)=0

We add all the numbers together, and all the variables

2.5r+2=0

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

2.5r=-2

r=-2/2.5

r=-1/1.25

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