30=6(4r+1.8)

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Solution for 30=6(4r+1.8) equation: 



30=6(4r+1.8)

We move all terms to the left:

30-(6(4r+1.8))=0



We calculate terms in parentheses: -(6(4r+1.8)), so:

6(4r+1.8)

We multiply parentheses

24r+10.8

Back to the equation:

-(24r+10.8)



We get rid of parentheses

-24r-10.8+30=0

We add all the numbers together, and all the variables

-24r+19.2=0

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

-24r=-19.2

r=-19.2/-24

r=16/20

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