Question

z-4/9=4.5    SOOSOSOSOSOSOSSS

Answer 1

z-4/9=4.5

z-0.44=4.5

z=4.5+0.44

z=4.94

 

или

 

z-4/9=4.5

z-4/9=9/2

z=9/2+4/9=81/18+8/18

z=89/18=4 17/18