28=r-12;41,42,43

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Solution for 28=r-12;41,42,43 equation: 



28=r-1241.42.43

We move all terms to the left:

28-(r-1241.42.43)=0

We add all the numbers together, and all the variables

-(r-533.8106)+28=0

We get rid of parentheses

-r+533.8106+28=0

We add all the numbers together, and all the variables

-1r+561.8106=0

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

-r=-561.8106

r=-561.8106/-1

r=561+0.81060000000002/1

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