Sa se tezolve ecuatia: 9x-23=5x-11

Răspuns :

9x-23=5x-11
9x-5x= -11+23
4x=12
x=12÷4
x=3
9x-23=5x-11
9x-5x-23=-11
4x=-11+23
4x=12
x=12:3
x=4

sau fara detalii

9x-23=5x-11
9x-5x=-11+23
4x=12
x=3