-1.8=-3/4r

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Solution for -1.8=-3/4r equation: 



-1.8=-3/4r

We move all terms to the left:

-1.8-(-3/4r)=0



Domain of the equation: 4r)!=0

r!=0/1

r!=0

r∈R



We get rid of parentheses

3/4r-1.8=0

We multiply all the terms by the denominator


-(1.8)*4r+3=0

We multiply parentheses

-7.2r+3=0

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

-7.2r=-3

r=-3/-7.2

r=3/7.2

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