2(4r+6)=0.66(12r+18)

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Solution for 2(4r+6)=0.66(12r+18) equation: 



2(4r+6)=0.66(12r+18)

We move all terms to the left:

2(4r+6)-(0.66(12r+18))=0

We multiply parentheses

8r-(0.66(12r+18))+12=0



We calculate terms in parentheses: -(0.66(12r+18)), so:

0.66(12r+18)

We multiply parentheses

7.92r+11.88

Back to the equation:

-(7.92r+11.88)



We get rid of parentheses

8r-7.92r-11.88+12=0

We add all the numbers together, and all the variables

0.08r+0.12=0

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

0.08r=-0.12

r=-0.12/0.08

r=-1+0.04/0.08

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