5r-2.2=-5r+7.8

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Solution for 5r-2.2=-5r+7.8 equation: 



5r-2.2=-5r+7.8

We move all terms to the left:

5r-2.2-(-5r+7.8)=0

We get rid of parentheses

5r+5r-7.8-2.2=0

We add all the numbers together, and all the variables

10r-10=0

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

10r=10

r=10/10

r=1

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