15r+19=243-17r

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Solution for 15r+19=243-17r equation: 



15r+19=243-17r

We move all terms to the left:

15r+19-(243-17r)=0

We add all the numbers together, and all the variables

15r-(-17r+243)+19=0

We get rid of parentheses

15r+17r-243+19=0

We add all the numbers together, and all the variables

32r-224=0

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

32r=224

r=224/32

r=7

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