document.write( "Question 503492: i need help with 3 + log(2x+5)=2.... can you show me step by step and explain it to me please? \n" ); document.write( "
Algebra.Com's Answer #339297 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! 3 + log(2x+5)=2 \n" ); document.write( "solving for x \n" ); document.write( "log(2x+5)=2-3=-1 \n" ); document.write( "convert to exponential form: base(10) raised to log of number(-1)=number(2x+5) \n" ); document.write( "10^-1=2x+5 \n" ); document.write( "1/10=2x+5 \n" ); document.write( "20x+50=1 \n" ); document.write( "20x=-49 \n" ); document.write( "x=-49/20 \n" ); document.write( "Check: \n" ); document.write( "3+log(2*49/20+5) \n" ); document.write( "3+(-1)=2 \n" ); document.write( " |