Question

Can someone please help me fast

Answer 1

z = 2

Explanation:

given the equation

9z - 10 = 8 ( add 10 to both sides )

9z - 10 + 10 = 8 + 10 ( simplify both sides )

9z = 18 ( divide both sides by 9 )

`(9)/(9)` z =
`(18)/(9)` , that is

z = 2