document.write( "Question 253256: Please help me solve this linear system equation:\r
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document.write( "x+y=10
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document.write( "2x=y-13\r
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document.write( "Need to find x and y
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document.write( "also could you please give step by step how you solved the equation...
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document.write( "Thank you! \n" );
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Algebra.Com's Answer #185527 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! I'll get you going. \n" ); document.write( "x+y=10 \n" ); document.write( "2x=y-13\r \n" ); document.write( "\n" ); document.write( "subtract y from both sides \n" ); document.write( "2x-y=-13 \n" ); document.write( "x+y=10 \n" ); document.write( "add the two equations \n" ); document.write( "3x=-3 \n" ); document.write( "x=-1 \n" ); document.write( "substitute -1 for x in the first equation \n" ); document.write( "x+y=10\r \n" ); document.write( "\n" ); document.write( "y= \n" ); document.write( "check by plugging them in the second equation \n" ); document.write( "2x=y-13\r \n" ); document.write( "\n" ); document.write( "I should leave something for you to do. \n" ); document.write( " \n" ); document.write( " |