Step-by-step explanation:
only thing you have to do is go to a caculator on your device
Answer:
16/12 or 4/3
Math
The answer to your question is z = -3
Expand 42 = -7(z - 3)
42 = -7z + 21
Simplify 7z = -42 + 21
7z = -21
Clear z z =
z = -3