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Mathematics
Terrell Jarvis
14 June, 15:42
If 3^2*-1=81, what is the value of x?
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Yasmin Mcgee
14 June, 18:40
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It wrong, 3^2 = 9
9 x - 1 = - 81.
it always negative put on it.
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Preston Benson
14 June, 19:00
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Hello:
3^ (2*-1) = 81
3^ (2*-1) = 3^4
2x-1 = 4
2x=5
x=5/2
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