4.5r=2(r-5.7)

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Solution for 4.5r=2(r-5.7) equation: 



4.5r=2(r-5.7)

We move all terms to the left:

4.5r-(2(r-5.7))=0



We calculate terms in parentheses: -(2(r-5.7)), so:

2(r-5.7)

We multiply parentheses

2r-11.4

Back to the equation:

-(2r-11.4)



We get rid of parentheses

4.5r-2r+11.4=0

We add all the numbers together, and all the variables

2.5r+11.4=0

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

2.5r=-11.4

r=-11.4/2.5

r=-4+1/1.7857142857143

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