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Math help needed!! IGCSE
- Thread starter ictigcse2013
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Make the bases same. 64 = 2^6
64^4-x = 2
2^6(4-x) = 2
Bases same, therefore 6(4-x) = 1
Solve, you will get x = 23/6
Another way of doing it is to take log on both sides.
64^4-x = 2
2^6(4-x) = 2
Bases same, therefore 6(4-x) = 1
Solve, you will get x = 23/6
Another way of doing it is to take log on both sides.