4r+2(r-3)=18

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Solution for 4r+2(r-3)=18 equation: 



4r+2(r-3)=18

We move all terms to the left:

4r+2(r-3)-(18)=0

We multiply parentheses

4r+2r-6-18=0

We add all the numbers together, and all the variables

6r-24=0

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

6r=24

r=24/6

r=4

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