document.write( "Question 404713: I'm try to work the following problem.\r
\n" ); document.write( "\n" ); document.write( "12x -14y = -8
\n" ); document.write( "-8x -14y = 52
\n" ); document.write( "where x and y are the same number to solve both equations \n" ); document.write( "

Algebra.Com's Answer #285996 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!


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document.write( "Hi
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document.write( "Solving the system of two linear equations by elimination
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document.write( "12x -14y = -8
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document.write( "-8x -14y = 52\r
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document.write( "12x -14y = -8
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document.write( "8x + 14y = -52   |subtracting 2nd from 1st equation to eliminate y
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document.write( " 20x = -60
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document.write( "      x = -3   
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document.write( "solving for y by substituting x = -3
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document.write( "12x -14y = -8
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document.write( "-36 - 14y = -8
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document.write( "     -28 = 14y
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document.write( "      y = -2\r
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document.write( "CHECKING our Answer***
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document.write( " -36 - (-28) = -8   |1st equation
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document.write( " 24 + 28 = 52       |2nd equation\r
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document.write( "      \n" );
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