Question

Punctul c) plizz ............

Answer 1

$\frac{z + 2}{2z - 1} = \frac{2}{3}$

3×(z+2)=2×(2z-1)

3z+3×2=2×2z-2×1

3z+6=4z-2 /-3z

6=4z-2-3z /+2

6+2=z

z=8