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Mathematics for IGCSE & O level - Indices 2 (Section 2 - No. 3)
Solve for x: (1/4)
x
=16
-2
-1
2
4
Forklaring
(1/4)
x
= 4
-x
, so 4
-x
=16 = 4
2
, which means x=-2
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