document.write( "Question 1175660: How do I find the x and the y, using elimination, when given the equations -4x-15y=-17, and -x+5y=-13? \n" ); document.write( "
Algebra.Com's Answer #801302 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! -4x-15y=-17 \n" ); document.write( "-x+5y=-13 \n" ); document.write( "multiply the second by 3 \n" ); document.write( "-3x+15y=-39 \n" ); document.write( "now add the two, and the y will disappear \n" ); document.write( "-7x=-56 \n" ); document.write( "x=8 \n" ); document.write( "y=-1 \n" ); document.write( "(8, -1) \n" ); document.write( "check in both \n" ); document.write( " |