Respuesta :

Answer:

z=2

Step-by-step explanation:

I used cross multiplication to solve this.

2/9z=1/9

1(9z)=2(9)

9z=18

z=2

Answer=   z=2

Step-by-step explanation:

its because 9 has a z next to it so we have to multiply the z, and we now the they simplified the fraction so we have 1/9, and why did i ay its z=2? because 9xz which is 2 is 18. sorry if my explination is terrible.