9r-5r+r-9=17+4

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Solution for 9r-5r+r-9=17+4 equation: 



9r-5r+r-9=17+4

We move all terms to the left:

9r-5r+r-9-(17+4)=0

We add all the numbers together, and all the variables

9r-5r+r-9-21=0

We add all the numbers together, and all the variables

5r-30=0

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

5r=30

r=30/5

r=6

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