-1.2(3r-3)=4(3r+9)

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Solution for -1.2(3r-3)=4(3r+9) equation: 



-1.2(3r-3)=4(3r+9)

We move all terms to the left:

-1.2(3r-3)-(4(3r+9))=0

We multiply parentheses

-3.6r-(4(3r+9))+3.6=0



We calculate terms in parentheses: -(4(3r+9)), so:

4(3r+9)

We multiply parentheses

12r+36

Back to the equation:

-(12r+36)



We get rid of parentheses

-3.6r-12r-36+3.6=0

We add all the numbers together, and all the variables

-15.6r-32.4=0

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

-15.6r=32.4

r=32.4/-15.6

r=-2+1/13

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