document.write( "Question 722470: The sum of two integers is 10. Three times the larger integer is three less than eight times the smaller integer. Find the integer \n" ); document.write( "
Algebra.Com's Answer #806491 by CubeyThePenguin(3113)![]() ![]() You can put this solution on YOUR website! x + y = 10 ----> x = 10 - y \n" ); document.write( "3x = 8y - 3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Substitute x = 10-y into the second equation.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3(10 - y) = 8y - 3 \n" ); document.write( "30 - 3y = 8y - 3 \n" ); document.write( "-11y = -33 \n" ); document.write( "y = 3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "solution: (x, y) = (7, 3) \n" ); document.write( " |