Seudónimo
Seudónimo
27-04-2017
Mathematics
contestada
Solve for x
log(7x+1) = log(x-2) + 1
Respuesta :
mreijepatmat
mreijepatmat
28-04-2017
log(7x+1) - log(x-2) =1
log[(7x+1) / (x-2)] =1 or log[(7x+1) / (x-2)] =log10 (log10=1)
it means (7x+1) / (x-2) =10
Solving ===> x=7
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