5r+5(r-8)=-100

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Solution for 5r+5(r-8)=-100 equation: 



5r+5(r-8)=-100

We move all terms to the left:

5r+5(r-8)-(-100)=0

We add all the numbers together, and all the variables

5r+5(r-8)+100=0

We multiply parentheses

5r+5r-40+100=0

We add all the numbers together, and all the variables

10r+60=0

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

10r=-60

r=-60/10

r=-6

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