-4(r+)=-45

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Solution for -4(r+)=-45 equation: 



-4(r+)=-45

We move all terms to the left:

-4(r+)-(-45)=0

We add all the numbers together, and all the variables

-4(+r)-(-45)=0

We add all the numbers together, and all the variables

-4(+r)+45=0

We multiply parentheses

-4r+45=0

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

-4r=-45

r=-45/-4

r=11+1/4

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