Answer:
Z=-9 that is the question
Answer:
(1)
0.5
(2)
3.8 = 3
Step-by-step explanation:
Add nine to both sides then divide by 3 and K=4
OK so for substitution you will be taking away so say you have 5 apples and someone eats 3 you now have 2 apples. so it would be 5 - 3 =2
I hope this helps