Question

16 в степени х-3 = 1/2

Answer 1

16 = 2 ^ 4 
1/2 = 2 ^ ( - 1 ) 
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( 2 ^ 4 ) ^ ( X - 3 ) = 2 ^ ( - 1 ) 
4 * ( X - 3 ) = - 1 
4X - 12 = - 1 
4X = 11 
X = 11/4
X = 2,75