8.3=4.8+r

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Solution for 8.3=4.8+r equation: 



8.3=4.8+r

We move all terms to the left:

8.3-(4.8+r)=0

We add all the numbers together, and all the variables

-(r+4.8)+8.3=0

We get rid of parentheses

-r-4.8+8.3=0

We add all the numbers together, and all the variables

-1r+3.5=0

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

-r=-3.5

r=-3.5/-1

r=3+0.5/1

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