5(r-3)=-90

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Solution for 5(r-3)=-90 equation: 



5(r-3)=-90

We move all terms to the left:

5(r-3)-(-90)=0

We add all the numbers together, and all the variables

5(r-3)+90=0

We multiply parentheses

5r-15+90=0

We add all the numbers together, and all the variables

5r+75=0

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

5r=-75

r=-75/5

r=-15

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