r-4+2(r-1)=-3r+6

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Solution for r-4+2(r-1)=-3r+6 equation: 



r-4+2(r-1)=-3r+6

We move all terms to the left:

r-4+2(r-1)-(-3r+6)=0

We multiply parentheses

r+2r-(-3r+6)-2-4=0

We get rid of parentheses

r+2r+3r-6-2-4=0

We add all the numbers together, and all the variables

6r-12=0

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

6r=12

r=12/6

r=2

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