Question

{[(z•3)•2]:7}:8=21 plssss ​

Answer 1

Explicație pas cu pas:

{[(z•3)•2]:7}:8=21

{[(z•3)•2]:7}=21x8

{[(z•3)•2]:7}= 168

[(z•3)•2]= 168 x7

[(z•3)•2]= 1176

z•3= 1176:2

z•3= 588

z = 588 :3

z= 196