Jawaban:
(x=-2) 3x+ 2y = 12
3(-2) + 2y = 12
-6+2y=12
2y=12+6
y=18/2
y=9
(x,y) = (-2,9)
(x=-1). 3x+ 2y = 12
3(-1) + 2y = 12
-3 + 2y = 12
2y=12+3
y=15/2
(x,y) = (-1, 15/2)
(x=0) 3x+ 2y = 12
3(0) + 2y = 12
2y=12
y=12/2
y=6
(x,y) = (0,6)
(x=1) 3x+ 2y = 12
3(1) + 2y = 12
3+2y=12
2y=12-3
y=9/2
(x,y) = (1, 9/2)
(x=2) 3x+ 2y = 12
3(2) + 2y = 12
6+2y=12
2y=12-6
y=6/2
y=3
(x,y)= (2,3)
(x=3) 3x+ 2y = 12
3(3) + 2y = 12
9+2y=12
2y=12-9
y=3/2
(x,y)= (3, 3/2)
(x=4) 3x+ 2y = 12
3(4) + 2y = 12
12+2y=12
2y=12-12
y=0/2
y=0
(x,y) = (4,0)
Penjelasan dengan langkah-langkah:
(x=-2) 3x+ 2y = 12
3(-2) + 2y = 12
-6+2y=12
2y=12+6
y=18/2
y=9
(x=-1). 3x+ 2y = 12
3(-1) + 2y = 12
-3 + 2y = 12
2y=12+3
y=15/2
(x=0) 3x+ 2y = 12
3(0) + 2y = 12
2y=12
y=12/2
y=6
(x=1) 3x+ 2y = 12
3(1) + 2y = 12
3+2y=12
2y=12-3
y=9/2
(x=2) 3x+ 2y = 12
3(2) + 2y = 12
6+2y=12
2y=12-6
y=6/2
y=3
(x=3) 3x+ 2y = 12
3(3) + 2y = 12
9+2y=12
2y=12-9
y=3/2
(x=4) 3x+ 2y = 12
3(4) + 2y = 12
12+2y=12
2y=12-12
y=0/2
y=0
