4r-3=9r+4

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



4r-3=9r+4

We move all terms to the left:

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

We get rid of parentheses

4r-9r-4-3=0

We add all the numbers together, and all the variables

-5r-7=0

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

-5r=7

r=7/-5

r=-1+2/5

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