Question

Check whether the value given in the bracket is a
solution or not.
(a) 2x + 4 = 15 (x = 2)
(b) 7x + 15 = 45 (x = 5)
(c) 7x + 2 = 23
(x = 3)
4x
(d) + 2 = 6
(x = 5)
5
(e) 40 - 5 = 16
(p = 7)
(f) 40 - 5 = 23 (p = 7)
(g) 2x + 5 = 15 (x = 5)
(h) 3x – 4 = 16
(x = 2)
2x
(i) + 4 = 10 (x = 5) ​

Answer 1

1. no

2. no

3. yes

4. no

5. no

7. yes

8. no

9. no