Join Our Socials
What is the correct answer?
4
Log10 3+log10 (4x+1)=log10 (x+1)+1
A. 2/7
B. 7/2
C. 3/7
D. 7/3
log10 3+log10 (4x+1)=log10 (x+1)+1
Log10 3+log10 (4x+1)=log10 (x+1)+log10 (x+1)+log10 10
Log10 (3(4x+1))=log10 (10(x+1))
=3(4x+1)=10(x+1)=12x+3
=10x+10
=2x=7=x=7/2