-4(3+r)=-30

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Solution for -4(3+r)=-30 equation: 



-4(3+r)=-30

We move all terms to the left:

-4(3+r)-(-30)=0

We add all the numbers together, and all the variables

-4(r+3)-(-30)=0

We add all the numbers together, and all the variables

-4(r+3)+30=0

We multiply parentheses

-4r-12+30=0

We add all the numbers together, and all the variables

-4r+18=0

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

-4r=-18

r=-18/-4

r=4+1/2

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