3(2-4r)=30

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Solution for 3(2-4r)=30 equation: 



3(2-4r)=30

We move all terms to the left:

3(2-4r)-(30)=0

We add all the numbers together, and all the variables

3(-4r+2)-30=0

We multiply parentheses

-12r+6-30=0

We add all the numbers together, and all the variables

-12r-24=0

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

-12r=24

r=24/-12

r=-2

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