Question

How do you solve y=x+4 and y=3x?

Answer 1

`x=2`
`y=6`

Explanation:

`y=3x` (1)
`y=x+4` (2)

Subtracting (1) - (2):

`0 = 2x-4`

`2x=4`

`x=4/2=2`

`y=3xx2=6`