5r-9r-4=8

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Solution for 5r-9r-4=8 equation:



5r-9r-4=8
We move all terms to the left:
5r-9r-4-(8)=0
We add all the numbers together, and all the variables
-4r-12=0
We move all terms containing r to the left, all other terms to the right
-4r=12
r=12/-4
r=-3

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