SOLUTION: Solve the following system of linear equations. (If the system has no solution, enter NONE for each answer. If the system is dependent, enter INFINITELY MANY for each answer.)

Question 422721: Solve the following system of linear equations. (If the system has no solution, enter NONE for each answer. If the system is dependent, enter INFINITELY MANY for each answer.)
x-y=4
3x-3y=12
x = ?
y = ?
Pls show me the steps on how to get the answer. thanks
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
x-y=4
3x-3y=12
----
Divide thru the 2nd equation by 3:
You get:
x-y = 4
x-y = 4
----
The two equations are the same equation
Solve for "y":
y = x-4
---
The solution is all points of the form: (x,x-4)
where x is a Real Number.
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Cheers,
Stan H.
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