document.write( "Question 884331: Solve the system of equations using the elimination method. Enter the answer as an ordered pair.\r
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document.write( "2x - 3y = 4
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document.write( "5x + 2y = -9 \n" );
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Algebra.Com's Answer #534182 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Solve the system of equations using the elimination method. Enter the answer as an ordered pair. \n" ); document.write( "2x - 3y = 4 \n" ); document.write( "5x + 2y = -9 \n" ); document.write( ".. \n" ); document.write( "4x-6y=8 (mult. 1st eq by 2) \n" ); document.write( "15x+6y=-27 (mult. 2nd eq by 3) \n" ); document.write( "add \n" ); document.write( "19x=-19 \n" ); document.write( "x=-1 \n" ); document.write( ".. \n" ); document.write( "solve for y using 1st eq \n" ); document.write( "3y=2x-4 \n" ); document.write( "3y=-2-4 \n" ); document.write( "3y=-6 \n" ); document.write( "y=-2 \n" ); document.write( "ans: (-1,-2) \n" ); document.write( ".. \n" ); document.write( "Check: \n" ); document.write( "2x-3y=-2+6=4 \n" ); document.write( "5x+2y=-5-4=-9 \n" ); document.write( "check ok \n" ); document.write( " |