8=-6.4+r

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Solution for 8=-6.4+r equation: 



8=-6.4+r

We move all terms to the left:

8-(-6.4+r)=0

We add all the numbers together, and all the variables

-(r-6.4)+8=0

We get rid of parentheses

-r+6.4+8=0

We add all the numbers together, and all the variables

-1r+14.4=0

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

-r=-14.4

r=-14.4/-1

r=14+0.4/1

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