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प्रश्न
Solve the following equation for x:
`2^(3x-7)=256`
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उत्तर
`2^(3x-7)=256`
`rArr2^(3x-7)=2^8`
⇒ 3x - 7 = 8
⇒ 3x = 8 + 7
⇒ 3x = 15
⇒ x = 15/3
⇒ x = 5
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