4(r-1)=2r+8

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Solution for 4(r-1)=2r+8 equation: 



4(r-1)=2r+8

We move all terms to the left:

4(r-1)-(2r+8)=0

We multiply parentheses

4r-(2r+8)-4=0

We get rid of parentheses

4r-2r-8-4=0

We add all the numbers together, and all the variables

2r-12=0

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

2r=12

r=12/2

r=6

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