4. However, you can do this in a Calculator.
Answer:

Step-by-step explanation:

Subtitute y in the first equation.

Now replace x in either equation to find y.

What is a feeble minded person?
Definition of feebleminded
1 dated, offensive : impaired in intellectual ability : affected with intellectual disability.
Answer:
4th
Step-by-step explanation:
make me as branalist