-2.4+.3r=9

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Solution for -2.4+.3r=9 equation: 



-2.4+.3r=9

We move all terms to the left:

-2.4+.3r-(9)=0

We add all the numbers together, and all the variables

.3r-11.4=0

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

.3r=11.4

r=11.4/.3

r=38

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