SOLUTION: how to solve a system by graphing? problem: y= 7x + 4 y= -x - 4

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Question 465422: how to solve a system by graphing?
problem:
y= 7x + 4
y= -x - 4
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
They're straight lines, so you need 2 points for each equation.
Pick values for x and find y.
Plot the 2 points.
Draw a line thru them.
The solution of the system is where the lines intersect.