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Darren Atkinson
Mathematics
16 July, 02:43
Solve for x: 9^ (x-8) = 3^ (4x-12)
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Kara Warren
16 July, 02:58
0
x = - 2.
Step-by-step explanation:
9^ (x - 8) = 3^ (4x - 12)
9 = 3^2 so we can write:-
3^2 (x - 8) = 3^ (4x - 12)
Since the base 3, is the same:-
2 (x - 8) = 4x - 12
2x - 16 = 4x - 12
2x - 4x = - 12 + 16
-2x = 4
x = - 2
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