-8(-5r+1)+2(-6r+2)=80

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Solution for -8(-5r+1)+2(-6r+2)=80 equation: 



-8(-5r+1)+2(-6r+2)=80

We move all terms to the left:

-8(-5r+1)+2(-6r+2)-(80)=0

We multiply parentheses

40r-12r-8+4-80=0

We add all the numbers together, and all the variables

28r-84=0

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

28r=84

r=84/28

r=3

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