-3(r-1)-7(-r+3)=2(1-13)

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Solution for -3(r-1)-7(-r+3)=2(1-13) equation: 



-3(r-1)-7(-r+3)=2(1-13)

We move all terms to the left:

-3(r-1)-7(-r+3)-(2(1-13))=0

We add all the numbers together, and all the variables

-3(r-1)-7(-1r+3)-(2(-12))=0

We add all the numbers together, and all the variables

-3(r-1)-7(-1r+3)+24=0

We multiply parentheses

-3r+7r+3-21+24=0

We add all the numbers together, and all the variables

4r+6=0

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

4r=-6

r=-6/4

r=-1+1/2

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