You can put this solution on YOUR website! 3 log 7 base of x = log 7 base of 125?
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Is that a question? Are they equal? How would I know if they're equal?
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If they're equal and you want to solve for x, you should say that.
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3 log 7 base of x = log 7 base of 125
Solve for x.
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x = 5