Question

log5(6+7x)=log5(4+x)+1

Answer 1

log5(6+7x)=log5(4+x)+log5(5)
6+7x=4+x+5
6+7x=9+x
6x=3
x=0/5 

Answer 2

Log5(6+7x)-log5(4+x)=1
Log5(6+7x/4+x)=1
6+7x/4+x=5
6+7x=20+5x
X=7