-4+15r=5r+9+11r

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Solution for -4+15r=5r+9+11r equation: 



-4+15r=5r+9+11r

We move all terms to the left:

-4+15r-(5r+9+11r)=0

We add all the numbers together, and all the variables

15r-(16r+9)-4=0

We get rid of parentheses

15r-16r-9-4=0

We add all the numbers together, and all the variables

-1r-13=0

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

-r=13

r=13/-1

r=-13

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