I need your help pls

Answer:
1. Let the number is x
a) 8 more than 4 times a number is 28
Required equation:
b) Example would be:
Four teams of same number of members joined together and the team of eight joined them adding up to 28 people.
3.
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8.
Equation:
Example situation:
6 packs of each containing a number of items. It was reduced by 16 (sold) and b number of items left in the stock.
Note. You need to add your details to the examples.