document.write( "Question 64669: use elimination to solve the system 4x+7y=-14 and 8x+5y=8 for x \n" ); document.write( "
Algebra.Com's Answer #45262 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! 4X+7Y=-14 MULTIPY THIS EQUATION BY -5 WE GET -20X-35Y=70 \n" ); document.write( "8X+5Y=8 NOW MULTIPLY THIS EQUATION BY 7 WE GET 56X+35Y=56 NOW ADD \n" ); document.write( "-20X-35Y=70 \n" ); document.write( "56X+35Y=56 \n" ); document.write( "----------------------------------------- \n" ); document.write( "36X=126 \n" ); document.write( "X=126/36 \n" ); document.write( "X=3.5 SOLUTION \n" ); document.write( " |