5(-8-5r)=-90

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Solution for 5(-8-5r)=-90 equation: 



5(-8-5r)=-90

We move all terms to the left:

5(-8-5r)-(-90)=0

We add all the numbers together, and all the variables

5(-5r-8)-(-90)=0

We add all the numbers together, and all the variables

5(-5r-8)+90=0

We multiply parentheses

-25r-40+90=0

We add all the numbers together, and all the variables

-25r+50=0

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

-25r=-50

r=-50/-25

r=+2

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