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January 26, 2015

January 26, 2015

Posted by **anon** on Saturday, December 17, 2011 at 8:39pm.

log_7(x + 3/7) = -2

- algebra -
**Damon**, Saturday, December 17, 2011 at 8:51pm7^ [log_7(x + 3/7)]

= x + 3/7 = 7^-2 = -1/49

x + 3/7 = -1/49

x = -21/49 - 1/49 = -22/49

- algebra -
**anon**, Saturday, December 17, 2011 at 9:11pmYou make it look so easy and I have been pounding my head on the wall. Thank you!

- algebra -
**Damon**, Sunday, December 18, 2011 at 4:19amexcept for the sign error

7^ [log_7(x + 3/7)]

= x + 3/7 = 7^-2 = 1/49

x + 3/7 = 1/49

x = -21/49 + 1/49 = -20/49

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