Tentunkan Penyelesaian sistem persamaan linear dua variabel
{x-y=6
{2x+3y=7
Jawaban Terkonfirmasi
X – y = 6 |kali 2|
2x + 3y = 7 |kali 1|
______________ –
– 5y = 5
y = -1
x = 5
Jawaban Terkonfirmasi
x-y=6 (X2) –> 2x-2y=12
2x+3y=7 (x1) –>2x+3y=7 _
-5y = 5 –> y=-1
x-y=6
x-(-1) = 6
x = 6-1
y = 5
Hp = {(5,-1)}