4r+19=5r+18

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Solution for 4r+19=5r+18 equation: 



4r+19=5r+18

We move all terms to the left:

4r+19-(5r+18)=0

We get rid of parentheses

4r-5r-18+19=0

We add all the numbers together, and all the variables

-1r+1=0

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

-r=-1

r=-1/-1

r=1

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