2r-4=3r-15

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Solution for 2r-4=3r-15 equation: 



2r-4=3r-15

We move all terms to the left:

2r-4-(3r-15)=0

We get rid of parentheses

2r-3r+15-4=0

We add all the numbers together, and all the variables

-1r+11=0

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

-r=-11

r=-11/-1

r=+11

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