Nilai p dan q yang memenuhi sistem persamaan 4p+2q=8 2p+3q=10

4p + 2q = 8 (×1)
2p + 3q = 10 (×2)

4p + 2q = 8
4p + 6q = 20
——————— –
– 4q = – 12
q = 3

4p + 2q = 8
4p + 2(3) = 8
4p + 6 = 8
4p = 2
p = 2/4 atau 1/2