3r+9=2r+5

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Solution for 3r+9=2r+5 equation: 



3r+9=2r+5

We move all terms to the left:

3r+9-(2r+5)=0

We get rid of parentheses

3r-2r-5+9=0

We add all the numbers together, and all the variables

r+4=0

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

r=-4

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