Question

`(z)/(3)+4= (5)/(6)`

Answer 1

`^(/2)(z)/(3) +^(6/)4= (5)/(6) \\ \\ (2z)/(6) + (24)/(6) = (5)/(6) => \\ \\ 2z=5-24 \\ 2z=-19 \\ z=-9.5`

Answer 2

`(z)/(3)+ (12)/(3)= (5)/(6)` ⇒
`(z+12)/(3)= (5)/(6)`


`z+12= (5\cdot3)/(6)=\boxed{2.5}`


`z=2.5-12`


`\boxed{\boxed{\boxed{z=-9.5}}}`