Tentukan penyelesaian sistem persamaan 4x- 5Y= -12 dan 2x+ 3y= 16 dengan metode grafik??plss jawab dong buat bsk nih

m. eliminasi
4x-5y=-12 | =>4x-5y=-12
2x+3y=16 |×2 =>4x+6y=32

4x-5y=-12
4x+6y=32
________-
-11y=-44
y=4

4x-5y=-12 |×3 =>12x-15y=-36
2x+3y=16 |×5 =>10x+15y=80

12x-15y=-36
10x+15y=80
_________+
22x=44
x=2

hp={2,4}

m. grafik
• 4x-5y=-12

x=2
4(2)-5y=-12
8-5y=-12
-5y=-12-8
-5y=-20
y=4
(2,4)

x=7
4(7)-5y=-12
28-5y=-12
-5y=-12-28
-5y=-40
y=8
(7,8)

• 2x+3y=16

x=-1
2(-1)+3y=16
-2+3y=16
-3y=16+2
-3y=18
y=-6
(-1,-6)

x=2
2(2)+3y=16
4+3y=16
3y=16-4
3y=12
y=4
(2,4)

jadi, hp={2,4}