27+7r=-28

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Solution for 27+7r=-28 equation: 



27+7r=-28

We move all terms to the left:

27+7r-(-28)=0

We add all the numbers together, and all the variables

7r+55=0

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

7r=-55

r=-55/7

r=-7+6/7

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