6x+4y = 0 -3x +2y = -12 X+Y =

6x+4y=0
-3x+2y=-12

m. eliminasi

eliminir x
6x+4y=0 | =>6x+4y=0
-3x+2y=-12 |×2 =>-6x+4y=-24

6x+4y=0
-6x+4y=-24
_________+
8y=-24
y=-3

eliminir y
6x+4y=0 | =>6x+4y=0
-3x+2y=-12 |×2 =>-6x+4y=-24

6x+4y=0
-6x+4y=-24
_________-
12x=24
x=2

hp={x,y}
HP={2,-3}

x+y=2+(-3)
=2-3
=-1

semoga membantu