document.write( "Question 230512: The sum of three numbers is 5. The first number minus the second plus the third is 1. The first minus the third is 3 more than the second. Find the numbers. \n" ); document.write( "
Algebra.Com's Answer #170752 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! x+y+z=5 \n" ); document.write( "x-y+z=1 multiply by -1 & add \n" ); document.write( "-x+y-z=-1 \n" ); document.write( "x+y+z=5 \n" ); document.write( "------------ \n" ); document.write( "2y=4 \n" ); document.write( "y=4/2 \n" ); document.write( "y=2 ans. \n" ); document.write( "x-z=y+3 \n" ); document.write( "x-y-z=3 \n" ); document.write( "x+y+z=5 add \n" ); document.write( "---------- \n" ); document.write( "2x=8 \n" ); document.write( "x=8/2 \n" ); document.write( "x=4 ans. \n" ); document.write( "4+2+z=5 \n" ); document.write( "6+z=5 \n" ); document.write( "z=5-6 \n" ); document.write( "z=-1 ans. \n" ); document.write( " \n" ); document.write( " |