Expert Answers

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log 2 (X) + log 2 (5) = log 2 (10)

We know that :

log x + log y = log xy

==? log 2 (5*x) = log 2 (10)

==> log 2 (5x) = log 2 (10)

==> 5x = 10

==> x= 10/5 = 2

==> x= 2

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