Question

3×+4y=7 8×-2y=6 cobaa jawabb berapa hasil nya? Buat jalan nya!

Answer 1

# eliminasi
3x+4y=7 (×1) 3x+4y=7
8x-2y=6 (×2) 16x-4y=12 +
___________
19x = 19
x = 19 / 19
x = 1
# substitusi
3x+4y=7
3 (1)+4y=7
4y = 7-3
4y = 4
y = 4/4
y = 1

HP { 1 , 1}

thanks

Answer 2

Buat eliminasi
3x + 4y = 7 dikali 8
8x-2y=6 dikali 3

24x+ 32y=56
24x -6y =18 dikurangkan
38y=38
y=38/38=1

subtitusikan
3x + 4(1) =7
3x=7-4
x=3/3=1