SOLUTION: I can't seem to get this one: Which of the ordered pairs (3,1), (0,-4), (-4,0), (-3,-7) are solutions for the eqation x-y=4? A) (-4,0) and (-3,-7) B) (3,1) and (-4,0) C) (0

Algebra ->  Linear-equations -> SOLUTION: I can't seem to get this one: Which of the ordered pairs (3,1), (0,-4), (-4,0), (-3,-7) are solutions for the eqation x-y=4? A) (-4,0) and (-3,-7) B) (3,1) and (-4,0) C) (0      Log On


   

Question 122749: I can't seem to get this one:
Which of the ordered pairs
(3,1), (0,-4), (-4,0), (-3,-7)
are solutions for the eqation x-y=4?
A) (-4,0) and (-3,-7)
B) (3,1) and (-4,0)
C) (0,-4),(-4,0), and (-3,-7)
D) (0,-4) and (-3,-7)
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
Answer is D)(0,-4) & (-3,-7)
proof.
x-y=4 or x-(-4)=4 or 4=4
-3-(-7)=4 or -3+7=4 or 4=4