-7.5=r-2.8

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Solution for -7.5=r-2.8 equation: 



-7.5=r-2.8

We move all terms to the left:

-7.5-(r-2.8)=0

We get rid of parentheses

-r+2.8-7.5=0

We add all the numbers together, and all the variables

-1r-4.7=0

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

-r=4.7

r=4.7/-1

r=-4+0.7/1

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