document.write( "Question 65212: find the point of intersction forthe line below using elimation 3x+4y=-2, 2x+5y=1 \n" ); document.write( "
Algebra.Com's Answer #45742 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! multiply the first equation by 2 & the second by -3 & then add thus \n" ); document.write( "6x+8y=-4 \n" ); document.write( "-6x-15y=-3 \n" ); document.write( "-------------------------- \n" ); document.write( "-7y=-7 \n" ); document.write( "y=-7/-7 \n" ); document.write( "y=1 solution. now substitute 1 for y in either equation & solve for x \n" ); document.write( "3x+4*1=-2 \n" ); document.write( "3x+4=-2 \n" ); document.write( "3x=-2-4 \n" ); document.write( "3x=-6 \n" ); document.write( "x=-6/3 \n" ); document.write( "x=-2 solution. \n" ); document.write( "proof \n" ); document.write( "2*-2+5*1=1 \n" ); document.write( "-4+5=1 \n" ); document.write( "1=1 \n" ); document.write( " |