nilai x yang memenuhi persamaan 2(x - 3) = 4 (x - 7)

2(x - 3) = 4(x - 7)
Kdua ruas bagi 2

(x - 3) = 2(x - 7)
x - 3 = 2x - 14
-3 + 14 = 2x - x
x = 11

Bab Aljabar
Matematika SMP Kelas VII

2(x - 3) = 4 (x - 7)
2x - 6 = 4x - 28
4x - 2x = 28 - 6
2x = 22
x = 22/2
x = 11