SOLUTION: How to solve systems by substitution y=x-2 y=4x+1

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Question 700604: How to solve systems by substitution
y=x-2
y=4x+1
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
y=x-2
y=4x+1
x-2=4x+1
x-4x=1+2
-3x=3
x=3/-3
x=-1 ans.
y=-1-2
y=-3 ans.
Proof:
-3=4*-1+1
-3=-4+1
-3=-3