SOLUTION: how to solve x-y=3 and x+y=-1 by graphing show me how to graph this equation also if the system is inconsistent or the equations are dependent?

Question 375159: how to solve x-y=3 and x+y=-1 by graphing show me how to graph this equation also if the system is inconsistent or the equations are dependent?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
x-y=3
generate values for y from x
x=1,y=-2
x=2,y=-1
x=-1,y=-4
and x+y=-1 (green line)
similary for this equation.
..
plot the points to get the graphs

the lines intersect at (1,-2), they are consistent and independant.
...
m.ananth@hotmail.ca
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