Question

1 ( y + x = 14 )
2 ( (2 - 1) + x = 18 )
3 ( 20 = x - 6 )
4 ( x + 9 = 13 )
5 ( 15 = (5 - 2) + x )
6 ( x + 6 = 15 )
7 ( x - 4 = 2 )
8 ( x + 9 = 12 )
9 ( x - 10 = 4 )
10 ( x + 8 = 13 )
11 ( x + 9 = 18 )
12 ( 18 + x = 24 )
13 ( 13 + x = 24 )
14 ( x + 18 = 27 )
15 ( x + 3 = 10 )

Explanation:

Answer:

1. $x = 5$
2. $x = 17$
3. $x = 26$
4. $x = 4$
5. $x = 12$
6. $x = 9$
7. $x = 6$
8. $x = 3$
9. $x = 14$
10. $x = 5$
11. $x = 9$
12. $x = 6$
13. $x = 11$
14. $x = 9$
15. $x = 7$