SOLUTION: X = 3y x = 12 what is y? I said four. TV program said it was wrong.

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: X = 3y x = 12 what is y? I said four. TV program said it was wrong.      Log On


   

Question 87360: X = 3y
x = 12
what is y?
I said four. TV program said it was wrong.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
x=3y, x=12 Start with the given equations
12=3y Plug in x=12 into x=3y

12%2F3=cross%283%2F3%29y Divide both sides by 3

y=4