SOLUTION: y=4xx+y=5 how do i help my son solve whether it has one solution, no solution or many?

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Question 620554: y=4xx+y=5 how do i help my son solve whether it has one solution, no solution or many?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

If you meant:

 y = 4x   and

 x + y  = 5

 x + 4x = 5       |Substituting the 4x for y

   5x = 5

    x = 1    and y = 4   (y = 4x = 4·1)

ordered pair (1,4) is the Solution for this system