document.write( "Question 434452: how do you solve the problem log w + log(3w-13) = 1? \n" ); document.write( "
Algebra.Com's Answer #300991 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! solve the problem log w + log(3w-13) = 1 \n" ); document.write( "---- \n" ); document.write( "log[w(3w-13)] = 1 \n" ); document.write( "--- \n" ); document.write( "log[3w^2-13w] = 1 \n" ); document.write( "--- \n" ); document.write( "3w^2-13w= 10 \n" ); document.write( "3w^2-13w-10 = 0 \n" ); document.write( "----- \n" ); document.write( "3w^2-15w+2w-10 = 0 \n" ); document.write( "--- \n" ); document.write( "3w(w-5)+2(w-5) = 0 \n" ); document.write( "(w-5)(3w+2) = 0 \n" ); document.write( "w = 5 or w = -2/3 \n" ); document.write( "--- \n" ); document.write( "Positive solution: \n" ); document.write( "w = 5 \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |