SOLUTION: how do i solve this equation using either substitution or elimination y=x+4 y=3x

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Question 749487: how do i solve this equation using either substitution or elimination
y=x+4
y=3x

Answer by timvanswearingen(106) About Me  (Show Source):
You can put this solution on YOUR website!
Substitution:
Since y=3x, let's substitute 3x in for y in the first equation:
y=x%2B4
3x=x%2B4
Subtract x from both sides:
2x=4
Divide both sides by 2:
x=2
Now plug in your x value into either equation:
y=3x
y=3%2A2
y=6
Now you know both x and y, give the answer in an ordered pair:
(2,6)