SOLUTION: A certain number is subtracted from 20. The result multiplied by 3 is equal to 45 what is the number? I can normally do word problems with no problem but since I quit going to

Question 699355: A certain number is subtracted from 20. The result multiplied by 3 is equal to 45 what is the number?
I can normally do word problems with no problem but since I quit going to school and now taking my GED classes I can't remember how to put the word problem into an equation to figure out the answer if you could please help me it would be greatly appreciated thanks
-Jessica
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
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
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