4-2(r-1)=4r-18

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Solution for 4-2(r-1)=4r-18 equation: 



4-2(r-1)=4r-18

We move all terms to the left:

4-2(r-1)-(4r-18)=0

We multiply parentheses

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

We get rid of parentheses

-2r-4r+18+2+4=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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