-19.78-8.1r=-5.8r

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Solution for -19.78-8.1r=-5.8r equation: 



-19.78-8.1r=-5.8r

We move all terms to the left:

-19.78-8.1r-(-5.8r)=0

We get rid of parentheses

-8.1r+5.8r-19.78=0

We add all the numbers together, and all the variables

-2.3r-19.78=0

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

-2.3r=19.78

r=19.78/-2.3

r=-8+1/1.66666666667

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