document.write( "Question 99950: How does this work?\r
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document.write( "Choose the ordered pair that is a solution to the system of equations. \r
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document.write( "-3x + 2y = 10 \r
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document.write( "-2x - y = -5 \r
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document.write( " (-2, 5)
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document.write( " (2, -5)
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document.write( " (0, -5)
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document.write( " (0, 5) \r
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Algebra.Com's Answer #72751 by fastblue(13)![]() ![]() ![]() You can put this solution on YOUR website! -3x + 2y = 10 \n" ); document.write( "-2x - y = -5 \n" ); document.write( "Multiply 2nd equation by two and add to first \n" ); document.write( "Gives you -5X =0, so x=0, then substitute back in and gives \n" ); document.write( "you y =5, so the ordered pair that solves the equation \n" ); document.write( "is (0,5) \n" ); document.write( "(-2, 5) \n" ); document.write( "(2, -5) \n" ); document.write( "(0, -5) \n" ); document.write( "(0, 5) \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |