9+3r=4+2r

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Solution for 9+3r=4+2r equation: 



9+3r=4+2r

We move all terms to the left:

9+3r-(4+2r)=0

We add all the numbers together, and all the variables

3r-(2r+4)+9=0

We get rid of parentheses

3r-2r-4+9=0

We add all the numbers together, and all the variables

r+5=0

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

r=-5

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