Tentukan himpunan penyelesaian dan pertidaksamaan 2. (2×-5)=(5-×)

Jawab:

2(2 x -5) = (5 – ×)

4x – 10 = 5 – x

4x + x = 5 + 10

5x = 15

x = 15/5

x = 3

Jawaban:

2x-5 = 5-x

2x+x = 5+5

3x = 10

x = 10/3