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Mathematics 8 Online
OpenStudy (hhopke):

7^x=21 solve for x. (it's logarithms HW, if that helps) WILL MEDAL AND FAN!!!

jimthompson5910 (jim_thompson5910):

Similar example \[\Large 3^x = 5 \text{ turns into } x = \log_3(5)\] The general rule is \[\Large b^x = y \rightarrow \log_b(y) = x\]

OpenStudy (hhopke):

ooooooh... Thanks!

jimthompson5910 (jim_thompson5910):

glad to be of help

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