which sysem of equations has (4,1) as its solution? select all that apply.
a) -3x + 8y = -4
3x - 7y = 5
b) y = -2x + 9
2x + y = 4
c) y = 3/4x - 2
d) 3x + 2y =14
2x + 3y = 7
e) x + y = 5
4y = x
It is a solution to all of them except "b".
It's not a solution to (b) or (d)......
+371 
