SOLUTION: The value of x in the equation log 9=2 is (x-1)
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Question 77282
:
The value of x in the equation log 9=2 is
(x-1)
Answer by
jim_thompson5910(35256)
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This expression is equivalent to:
Take the square root of both sides
Which means
or
or
Add 1 to both sides for each case
So
or
Check:
Plug in x=4
works
Plug in x=-2
works