Răspuns:
[tex]2 \times x - 5 = 11 \\ 2 \times x = 11 + 5 \\ 2 \times x = 16 \\ x = 16 \div 2 \\ x = 8[/tex]
2x-5 = 11
2x = 11+5
2x = 16
x = 16:2
x = 8