Asked by anonymous
solve 2log small3 x - log small 3 7x=1
Answers
Answered by
Steve
2log_3(x) - log_3(7x) = 1
log_3(x^2 / 7x) = 1
log_3(x/7) = 1
x/7 = 3^1 = 3
x = 21
log_3(x^2 / 7x) = 1
log_3(x/7) = 1
x/7 = 3^1 = 3
x = 21
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