document.write( "Question 118700: what is the value of x when the equation is log5+logx=2? \n" ); document.write( "
Algebra.Com's Answer #86840 by m.hansen(16)![]() ![]() ![]() You can put this solution on YOUR website! log5+logx=2?\r \n" ); document.write( "\n" ); document.write( "remember: logs can be combined as such: Log(x) + Log(y) -> Log(x*y) \n" ); document.write( "so: log(5) + log(x) = 2 \n" ); document.write( "becomes: log(5*x)=2 or log(5x)=2\r \n" ); document.write( "\n" ); document.write( "logs can be changed into exponents, and \"log\" is base 10.\r \n" ); document.write( "\n" ); document.write( "so: log(5x)=2 becomes: 5x= {10^2} (10^2 = 10 squared) \n" ); document.write( "5x= {10^2} \n" ); document.write( "5x=100 \n" ); document.write( "divide both sides by 5 \n" ); document.write( "x=20 \n" ); document.write( " |