14=28+7r

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Solution for 14=28+7r equation: 



14=28+7r

We move all terms to the left:

14-(28+7r)=0

We add all the numbers together, and all the variables

-(7r+28)+14=0

We get rid of parentheses

-7r-28+14=0

We add all the numbers together, and all the variables

-7r-14=0

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

-7r=14

r=14/-7

r=-2

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