Solve the following systems of equations by either the substitution or eliminiation method. Choose one answer for x and y.
2x + y = 4
3x + 2y = 1
x = 6
x = 2
x = 4
x = 7
x = 3
y = -10
y = 0
y = -4
y = -2
y = -8
Select the points that are solutions to the system of inequalities
(0,0)
(1,2)
(2,1)
(2,-1)
(-2,1)
(-2,-1)
(4,-1)