Sagot :
Answer:
2. See solution on the image.
3. See solution on the image.
4. x = 2, see solution on the image.
5. It is a proportion. See checking on the image.

Answer:
2. See solution on the image.
3. See solution on the image.
4. x = 2, see solution on the image.
5. It is a proportion. See checking on the image.