Mathematics for IGCSE & O level - Indices 2 (Section 2 - No. 23)

If 2x * 23 = 32, what is x?
1
2
3
4

Explanation

2x * 23 = 2x+3 = 32. 32 = 25. Therefore, x + 3 = 5, so x = 2.

Comments (0)

Advertisement