Question 862754
Solve for the system of equation. If it cannot be solved, explain why. 
4x+5y = -5 
2x-y=1
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4x+5y=-5
4x-2y=2 (mult. 2nd equation by 2)
subtract to eliminate x
7y=-7
y=-1
2x=y+1=-1+1=0
2x=0
x=0
point of intersection: (0,-1)
see graph below:
{{{ graph( 300, 300, -10, 10, -10, 10, 2x-1,-4x/5-1) }}}