Tentukan hp persamaan .2x+3y=6 dan 2x+y=-2.dgn metode substitusi

SPLDV


2x + 3y = 6
2x + y = -2

2x = 6 - 3y

6 - 3y + y = -2
6 - 2y = -2
6+2 = 2y
2y = 8
y = 4

2x = 6-3(4)
2x = -6
x = -3

Hp = { (-3,4) }

2x+3y=6
2x+y=-2

2y=8
y=4

2x+y=-2
2x+4=-2
2x=-6
x=-3

hp{-3,4}