Question

|6 + z| – |–7| when z = –6.

Answer 1

7

Explanation:

| 6 + z | - | -7 | =

| 6 - 6 | - | -7 | =

- | -7 | =

7

Answer 2

|6+(-6)|-|-7|
=0-|-7|
=0+7
=7