Question

6. Solve :
(i) x + 9 = 21​

Answer 1

Answer:

heya mate ☺

$x + 9 = 21 \\ \\ = > x = 21 - 9 \\ \\ = > x = 12$

hope it helps u mate ⛄

Answer 2

Answer:

12

Step-by-step explanation:

x + 9 = 21

x = 21 - 9

x = 12

Hope it helps you