Respuesta :

dianatwin2021
8z - 7z =6
8z
-7z
= 1 z or just z
So z=6
Z=6 is the correct answer.
“Explanation:”
8(6) - 7(6) = 6
48 - 42 = 6

Z=8 is incorrect.
“Explanation:”
8(8) -7(8) = 6
64 - 56 = 8
All you have to do is take the values, in this problem those are 6 and 8, and plug them into z and solve.