Answer: x = 3 and y = 1
Explanation:
y = (-2/3x + 3)
Plug value of y into top equation.
x - 2/3x + 3 = 4
1/3x = 1
x = 3
x = (-3/2y + 4.5)
Plug value of x into top equation.
y - 3/2y + 4.5 = 4
-0.5y = -0.5
y = 1
Proof:
3 + 1 = 4
2(3) + 3(1) = 9