SOLUTION: Solve the system of equations by graphing. x + y = 4, x + y = -4

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Question 169568This question is from textbook Introductory Algebra
: Solve the system of equations by graphing.
x + y = 4, x + y = -4 This question is from textbook Introductory Algebra

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=4 or y=-x+4 (red line)
x+y=-4 or y=-x-4 (green line)
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+-x+%2B4%2C+-x+-4%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions -x +4 and -x -4).
No solution for x or y.