4r-2=5r-9

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Solution for 4r-2=5r-9 equation: 



4r-2=5r-9

We move all terms to the left:

4r-2-(5r-9)=0

We get rid of parentheses

4r-5r+9-2=0

We add all the numbers together, and all the variables

-1r+7=0

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

-r=-7

r=-7/-1

r=+7

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