Răspuns :
4x+2=5-x | +x
4x+ x + 2 = 5 - x + x
5x + 2 = 5 | -2
5x + 2 - 2 = 5 - 2
5x = 3 |÷5
x = [tex] \frac{3}{5} [/tex]
4x+ x + 2 = 5 - x + x
5x + 2 = 5 | -2
5x + 2 - 2 = 5 - 2
5x = 3 |÷5
x = [tex] \frac{3}{5} [/tex]