<PRE><B>Question 393613</B>
log(x)+log(4)=2

all you have to remember here is the definition of a logarithm, which is:
the base raised to the logarithm of the number is the number. In this case,first change it to a single logarithm using the multiplication rule.

the number is 4x
the base is 10
the logarithm of the number =2

log4x =2
10^2 =100=4x
x=25</PRE>