5r=9r+8

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Solution for 5r=9r+8 equation: 



5r=9r+8

We move all terms to the left:

5r-(9r+8)=0

We get rid of parentheses

5r-9r-8=0

We add all the numbers together, and all the variables

-4r-8=0

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

-4r=8

r=8/-4

r=-2

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