answer:
z=-14
explanation:
2 + 8 - z equals 24
2+8-z=24
10-z=24
move 10 to the other side
sign changes from +10 to -10
10-10-z=24-10
-z=24-10
-z=14
multiply both sides by -1 to get +z
(-1)(-z)=14(-1)
