7r+4=28r+11

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Solution for 7r+4=28r+11 equation: 



7r+4=28r+11

We move all terms to the left:

7r+4-(28r+11)=0

We get rid of parentheses

7r-28r-11+4=0

We add all the numbers together, and all the variables

-21r-7=0

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

-21r=7

r=7/-21

r=-1/3

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