document.write( "Question 1189032: Two lines L1: 2y-3x-6=0 ad l2: 3y+x-20=0 intersect at a point A. Find the coordinates of A \n" ); document.write( "
Algebra.Com's Answer #820253 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Two lines L1: 2y-3x-6=0 ad l2: 3y+x-20=0 intersect at a point A. Find the coordinates of A \n" ); document.write( "--------------------- \n" ); document.write( "2y-3x-6=0 \n" ); document.write( "3y+x-20=0 \n" ); document.write( "--- \n" ); document.write( "Multiply the 2nd equation by 3 \n" ); document.write( "9y + 3x - 60 = 0 \n" ); document.write( "2y - 3x - 6 = 0 \n" ); document.write( "----------------------------------- Add \n" ); document.write( "11y - 66 = 0 \n" ); document.write( "11y = 66 \n" ); document.write( "y = 6 \n" ); document.write( "================= \n" ); document.write( "2y - 3x - 6 = 0 \n" ); document.write( "12 - 3x - 6 = 0 \n" ); document.write( "-3x + 6 = 0 \n" ); document.write( "x = 2 \n" ); document.write( "----> A(2,6) \n" ); document.write( " |