r=8.2+0.4r=-8.6

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Solution for r=8.2+0.4r=-8.6 equation: 



r=8.2+0.4r=-8.6

We move all terms to the left:

r-(8.2+0.4r)=0

We add all the numbers together, and all the variables

r-(0.4r+8.2)=0

We get rid of parentheses

r-0.4r-8.2=0

We add all the numbers together, and all the variables

0.6r-8.2=0

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

0.6r=8.2

r=8.2/0.6

r=13+0.4/0.6

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