7+5r=-28

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Solution for 7+5r=-28 equation: 



7+5r=-28

We move all terms to the left:

7+5r-(-28)=0

We add all the numbers together, and all the variables

5r+35=0

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

5r=-35

r=-35/5

r=-7

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