3-r,8=-9,2

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Solution for 3-r,8=-9,2 equation: 



3-r.8=-9.2

We move all terms to the left:

3-r.8-(-9.2)=0

We add all the numbers together, and all the variables

-r.8+12.2=0

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

-r.8=-12.2

r=-12.2/1

r=-12.2

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