Answer:
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Make denominators equal, common denominator would be 10:
- n/5 - 3n/10 = 1/5
- 2n/10 - 3n/10 = 2/10 Common denominator
- (2n - 3n)/10 = 2/10 Subtract
- (- n)/10 = 2/10 Multiply both sides by 10
- - n = 2 Multiply both sides by -1
- n = - 2 Answer