Explanation:
° put the value of x at the place of x to get y , put value of y to get x.
° x = -4
y = -2x + 3
y = -2(-4) + 3
y = 8 + 3 = 11
° x = -1
y = -2(-1)+3
y = 2 + 3
y = 5
• y = 3
y = -2x + 3
3 = -2x + 3
0 = -2x
x = 0
• y = -3
-3 = -2x + 3
-6 = -2x
x = 3