document.write( "Question 255353: the sum of two numbers is 172. the first is 8 less than 5 times the second. find the fist number. \n" ); document.write( "
Algebra.Com's Answer #187689 by checkley77(12844) ![]() You can put this solution on YOUR website! X+Y=172 OE X=172-Y \n" ); document.write( "X=5Y-8 \n" ); document.write( "5Y-8=172-Y \n" ); document.write( "5Y+Y=172+8 \n" ); document.write( "6Y=180 \n" ); document.write( "Y=180/6 \n" ); document.write( "Y=30 ANS \n" ); document.write( "X=172-30 \n" ); document.write( "X=142 ANS. FOR THE FIRST NUMBER WHICH IS: \n" ); document.write( "PROOF: \n" ); document.write( "142=5*30-8 \n" ); document.write( "142=150-8 \n" ); document.write( "142=142 \n" ); document.write( " |