document.write( "Question 602440: A two-digit number is 4 times the sum of its digits. The tens digit is 3 less than the units digit. What is the number? \n" ); document.write( "
Algebra.Com's Answer #380259 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! A two-digit number is 4 times the sum of its digits. The tens digit is 3 less than the units digit. What is the number? \n" ); document.write( "** \n" ); document.write( "let u=units digit \n" ); document.write( "t=tens digit \n" ); document.write( ".. \n" ); document.write( "t=u-3 \n" ); document.write( "10t+u=4(t+u) \n" ); document.write( "10t+u=4t+4u \n" ); document.write( "6t=3u \n" ); document.write( "6(u-3)=3u \n" ); document.write( "6u-18=3u \n" ); document.write( "3u=18 \n" ); document.write( "u=6 \n" ); document.write( "t=6-3=3 \n" ); document.write( "number: 36 \n" ); document.write( " \n" ); document.write( " |