Sistem persamaan dua variabel 4x-y=6 x-3y=-4

Bab Persamaan Linear
Matematika SMP Kelas VII

4x - y = 6
y = 4x - 6

x - 3y = - 4
x - 3(4x - 6) = -4
x - 12x + 18 = -4
-11x = -4 - 18
x = -22/-11
x = 2

y = 4x - 6
y = 4 . 2 - 6
y = 8 - 6
y = 2

HP = {(2, 2)}