Selesaikan soal berikut dg metode substitusi 4x-2y=14 Y=1/2x - 1

4x - 2y = 14
y = 1/2x - 1

4x - 2(1/2x - 1) = 14
4x - x + 2 = 14
3x = 12
x = 4

y = 1/2 (4) - 1
y= 1