Tentukan nilai x dari (x-1) + (x-3)=2

x - 1 + x - 3 = 2
x + x = 2 + 1 + 3
2x = 6
x = 3

Mapel : Matematika
Kelas : VII SMP
Bab : PSLV

Pembahasan :
(x - 1) + (x - 3) = 2
(1 + 1)x + (-1 - 3) = 2
2x - 4 = 2
2x = 2 + 4
2x = 6
x = 6/2
x = 3

Hp : {3}