4r-3=18

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Solution for 4r-3=18 equation: 



4r-3=18

We move all terms to the left:

4r-3-(18)=0

We add all the numbers together, and all the variables

4r-21=0

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

4r=21

r=21/4

r=5+1/4

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