3r+2r=-1

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



3r+2r=-1

We move all terms to the left:

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

We add all the numbers together, and all the variables

5r+1=0

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

5r=-1

r=-1/5

r=-1/5

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