Published by admin on September 15, 2020 ##x=9## ##ln(3x+1)-ln(5+x)=ln(2)=>## using laws of logs: ##ln[(3x+1)/(x+5)]=ln(2)=>## if ##ln(A)=ln(B)hArrA=B##: ##(3x+1)/(x+5)=2=>## multiply by ##(x+5)##: ##3x+1=2(x+5)=>## expand right side: ##3x+1=2x+10=>## subtract##-2x## and 1 from both sides: ##3x-2x=10-1=>## simplify: […]