Question

find the value of x if 2power -3=1/2powerx ​

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

$2 {}^{ - 3} = \frac{1}{2 {}^{x}} \\ \frac{1}{2 {}^{3} } = \frac{1}{2 {}^{x} } \\ hence \: x = 3$

Formula used here

$x {}^{ - m} = \frac{1}{x {}^{m} }$