150. Divide 5000 by 100 and you get 50. Multiply 3 by 50 and you get 150.
Divide 259 by 7 (259/7)= 37 beads per necklace. If you wanted to check just multiply 7 and 37 (37x7)=259
What are you asking in the question?
You didn’t ummm put a picture
The first one:
5v + 3 = 5v - 5
Subtract 5v from both sides ->
3 = -5
This isn't true so that means there are no solutions...