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Mathematics for IGCSE & O level - Indices 2 (Section 2 - No. 23)
If 2
x
* 2
3
= 32, what is x?
1
2
3
4
Forklaring
2
x
* 2
3
= 2
x+3
= 32. 32 = 2
5
. Therefore, x + 3 = 5, so x = 2.
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