document.write( "Question 252027: 1. Which ordered pair is the solution of the following system of equations?\r
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document.write( "3x+2y=4
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document.write( "-2x+2y=24 \n" );
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Algebra.Com's Answer #183777 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! 3x+2y=4 \n" ); document.write( "-2x+2y=24 \n" ); document.write( "subtract the second from the first \n" ); document.write( "5x=-20 \n" ); document.write( "x=-4 \n" ); document.write( "3*(-4)+2y=4 \n" ); document.write( "-12+2y=4 \n" ); document.write( "2y=16 \n" ); document.write( "y=8 \n" ); document.write( "(-4,8) \n" ); document.write( "check on second equation \n" ); document.write( "-2(-4)+(2*8)=24 \n" ); document.write( "8+16=24 \n" ); document.write( "24=24 ok \n" ); document.write( "check first equation \n" ); document.write( "3*(-4)+2*8=4 \n" ); document.write( "-12+16=4 \n" ); document.write( "4=4 ok \n" ); document.write( " |