SOLUTION: Solve the system of equations algebraically. y = x - 8 y = 3x

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Question 934079: Solve the system of equations algebraically.
y = x - 8
y = 3x
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
y+=+x+-8....eq.1
y+=+3x...eq.2...substitute in eq.1
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3x=+x+-8....eq.1
3x-x+=-8
2x+=-8
x+=-8%2F2
highlight%28x+=-4%29

y+=+3x...eq.2...substitute -4 for x
y+=+3%28-4%29
y+=+highlight%28-12%29