# SOLUTION: hi im stuck on logs the question ive got is {{{5^(3x-1)=87}}} we're allowed to use calculators and ive tried the log(5x87) but i think i need the method for this one to work out ot

Algebra ->  Algebra  -> Logarithm Solvers, Trainers and Word Problems -> SOLUTION: hi im stuck on logs the question ive got is {{{5^(3x-1)=87}}} we're allowed to use calculators and ive tried the log(5x87) but i think i need the method for this one to work out ot      Log On

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 Algebra: Logarithm Solvers Lessons Answers archive Quiz In Depth

 Question 399372: hi im stuck on logs the question ive got is we're allowed to use calculators and ive tried the log(5x87) but i think i need the method for this one to work out others. hope you can helpFound 2 solutions by richard1234, ewatrrr:Answer by richard1234(5390)   (Show Source): You can put this solution on YOUR website!Taking log of both sides, = 1.25827... Answer by ewatrrr(10682)   (Show Source): You can put this solution on YOUR website! ``` Hi (3x-1)ln5 = ln87 3x = ln87/ln5 + 1 x = (ln87/ln5 + 1)/3 = 1.2583 ```