Question 699355
A certain number is subtracted from 20.
 The result multiplied by 3 is equal to 45 what is the number?
:
3(20-n) = 45
60 - 3n = 45
-3n = 45 - 60
-3n = -15
n = -15/-3
n = +5
:
Hopefully, you are returning to school, I wish you luck. C