Tentukan himpunan penyelesaian dari persamaan berikut.

(4x – 3) = (2x + 1)

4x – 2x = 1 +3

2x = 4

x = 4/2

= 2

.

(4x – 3) = – (2x + 1)

4x – 3 = – 2x – 1

4x + 2x = -1 + 3

6x = 2

x = 2/6

= 1/3

Penyelesaianya x = 2 atau x = 1/3