4(-2r-3)=12

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Solution for 4(-2r-3)=12 equation: 



4(-2r-3)=12

We move all terms to the left:

4(-2r-3)-(12)=0

We multiply parentheses

-8r-12-12=0

We add all the numbers together, and all the variables

-8r-24=0

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

-8r=24

r=24/-8

r=-3

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