Question

a) 12 - [15 - 9 - (17 + 23 x 2 - 20)}]
b) 21 = (3 + 4) - 9 x 3 + 7 x ( 3 + 6) =​

Answer 1

Answer:

04-Nov-2018 — 9. 17. (2). 9. 13. (3). 11. 13. (4 ). 11. 17. Ans. (2). Sol. 3. 2. 7 7. 11 11 ... 1 23 13 24 3 : 18 14 10 15 20. –9 ... x 6. 7 x 6. +. +. 13x + 6 = 7 (x + 6) if x = 6 = B. 13x + 6 = 7x + 42 .