(1/216)^(x+2)=6^12 Solve for X

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asked Mar 18, 2015 91.5k views

1 Answer

Marius Manastireanu · Answer 1 · 2015-03-25T08:52:53+0000

log(1/216)^(x+2) = log 6^12

(x+2) log(1/216) = log 6^12

xlog(1/216) + 2log(1/216) = log6^12

xlog(1/216) = log6^12 - 2log(1/216)

x = [log6^12-2log(1/216] / log(1/216)

x = -6

(1/216)^(x+2)=6^12 Solve for X

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