Question

11. Write the additive inverse of 12. Solve: 2x - 1 = 14 - X

13. Solve: 7x - 9 = 16.

14. How many sides does a regular polygon have if each of its interior angles is 1650?

15. When a die is thrown, list the outcomes of an event of getting not a prime number.

16. An item marked at Rs 840 is sold for Rs 714. What is the discount %?

Answer 1

Step-by-step explanation:

11. 4/5

12. 2x - 1 = 14 - X

3x= 15

x = 5

13.: 7x - 9 = 16.

7x= 25

x = 25/7