-9.3r-2.63-5.8r=-9.78-0.8r

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Solution for -9.3r-2.63-5.8r=-9.78-0.8r equation: 



-9.3r-2.63-5.8r=-9.78-0.8r

We move all terms to the left:

-9.3r-2.63-5.8r-(-9.78-0.8r)=0

We add all the numbers together, and all the variables

-9.3r-5.8r-(-0.8r-9.78)-2.63=0

We add all the numbers together, and all the variables

-15.1r-(-0.8r-9.78)-2.63=0

We get rid of parentheses

-15.1r+0.8r+9.78-2.63=0

We add all the numbers together, and all the variables

-14.3r+7.15=0

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

-14.3r=-7.15

r=-7.15/-14.3

r=1/2

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