-21.6+2r-3r=36

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Solution for -21.6+2r-3r=36 equation: 



-21.6+2r-3r=36

We move all terms to the left:

-21.6+2r-3r-(36)=0

We add all the numbers together, and all the variables

-1r-57.6=0

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

-r=57.6

r=57.6/-1

r=-57+0.6/1

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