document.write( "Question 279086: Solve each system.
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document.write( "Number One:
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document.write( "y = 2x + 8
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document.write( "y = 3x - 1\r
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document.write( "Number Two:
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document.write( "2x - y = 2
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document.write( "2x - 2y = 4\r
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document.write( "Number Three:
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document.write( "-x + y = 2
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document.write( "2x + y = -1 \n" );
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Algebra.Com's Answer #202977 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Number One: \n" ); document.write( "y = 2x + 8 \n" ); document.write( "y = 3x - 1 \n" ); document.write( "------------------- \n" ); document.write( "Substitute and solve for \"x\": \n" ); document.write( "2x+8 = 3x-1 \n" ); document.write( "x = 9 \n" ); document.write( "--- \n" ); document.write( "Substitute to solve for \"y\": \n" ); document.write( "y = 2*9=8 \n" ); document.write( "y = 26 \n" ); document.write( "=================================== \r \n" ); document.write( "\n" ); document.write( "Number Two: \n" ); document.write( "2x - y = 2 \n" ); document.write( "2x - 2y = 4 \n" ); document.write( "-------- \n" ); document.write( "Subtract and solve for \"y\": \n" ); document.write( "y = -2 \n" ); document.write( "Substitute to solve for \"x\": \n" ); document.write( "2x + 2 = 2 \n" ); document.write( "2x = 0 \n" ); document.write( "x = 0 \n" ); document.write( "=================================== \r \n" ); document.write( "\n" ); document.write( "Number Three: \n" ); document.write( "-x + y = 2 \n" ); document.write( "2x + y = -1 \n" ); document.write( "--- \n" ); document.write( "Subtract and solve for \"x\": \n" ); document.write( "3x = -3 \n" ); document.write( "x = -1 \n" ); document.write( "--- \n" ); document.write( "Substitute to solve for \"y\": \n" ); document.write( "1 + y = 2 \n" ); document.write( "y = 1 \n" ); document.write( "===================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |