SOLUTION: Graph the following equations and solve the system. y=-1 3x-y=4

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Question 420835: Graph the following equations and solve the system.
y=-1
3x-y=4
Found 2 solutions by mananth, dnanos:
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Y=-1
y=3x-4
...

The solution is (1,-1)

Answer by dnanos(83) About Me  (Show Source):
You can put this solution on YOUR website!
graph%28600%2C600%2C-10%2C10%2C-10%2C10%2Cy=-1%2C3x-4%29
From the following graph we get that the pair (x,y)=(1,-1) is the solution.
(Exactly we plug y=-1 in the second equation and final result is x=1...)