e/7-3=-5 What does e equal? Please show work!

We can't tell whether it's

(e/7) - 3 = -5
or
e/(7-3) = -5

(e/7) - 3 = -5
e/7 = -2
e = -14
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e/(7-3) = -5
e/4 = -5
e = -20