document.write( "Question 661977: how do i solve this? the second of two numbers is 7 times the first. their sum is 80
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #411854 by ReadingBoosters(3246) ![]() You can put this solution on YOUR website! x = first number \n" ); document.write( "y = second number \n" ); document.write( "y = 7x \n" ); document.write( "x+y=80 \n" ); document.write( "Substitute \n" ); document.write( "x + 7x = 80 \n" ); document.write( "8x = 80 \n" ); document.write( "x = 10 \n" ); document.write( " |