7.5r-9-2r=19

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Solution for 7.5r-9-2r=19 equation: 



7.5r-9-2r=19

We move all terms to the left:

7.5r-9-2r-(19)=0

We add all the numbers together, and all the variables

5.5r-28=0

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

5.5r=28

r=28/5.5

r=5+0.5/5.5

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