Question #63347

1 Answer
Alan P.
Jan 9, 2018

#x=86#

Explanation:

Critical thing to remember:
#color(red)("-----------------------------------------------------")#
#color(red)("|"color(white)("xxxxx")log_b a= c" means " b^c=acolor(white)("xxxxxx")"|")#
#color(red)("-----------------------------------------------------")#

#log_3 sqrt(x-5)=2color(white)("xx")hArrcolor(white)("xx")3^3=sqrt(x-5)#

#sqrt(x-5)=9#

square both sides
#x-5=81#

add 5 to both sides
#x=86#

Related questions
Impact of this question
288 views around the world
You can reuse this answer
Creative Commons License