document.write( "Question 69216:
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document.write( "(x 3)=2(x 2) solve for x\r\n" );
document.write( "(4 x)= (1 3)\r\n" );
document.write( "on each side of the equals sign is one matrix \r\n" );
document.write( "not two separate matices.
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Algebra.Com's Answer #49293 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "(x 3)=2(x 2) solve for x\r\n" );
document.write( "(4 x)= (1 3)\r\n" );
document.write( "on each side of the equals sign is one matrix \r\n" );
document.write( "not to separate matices.\r\n" );
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document.write( "\"%28matrix%282%2C2%2Cx%2C3%2C4%2Cx%29%29\"=\"2%28matrix%282%2C2%2Cx%2C2%2C1%2C3%29%29\"\r\n" );
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document.write( "On the right distribute the \"2\"· into the whole matrix:\r\n" );
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document.write( "\"%28matrix%282%2C2%2Cx%2C3%2C4%2Cx%29%29\"=\"%28matrix%282%2C2%2C2%2Ax%2C2%2A2%2C2%2A1%2C2%2A3%29%29\"\r\n" );
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document.write( "\"%28matrix%282%2C2%2Cx%2C3%2C4%2Cx%29%29\"=\"%28matrix%282%2C+2%2C+2x%2C+4%2C+2%2C+6%29%29\"\r\n" );
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document.write( "This has no solution because in order for two matrices to be \r\n" );
document.write( "equal, all corresponding elements must be equal.  But the upper\r\n" );
document.write( "right element of the matrix on the left side is 3 and the upper\r\n" );
document.write( "right element of the matrix on the right side is 4. Also the \r\n" );
document.write( "lower left element of the matrix on the left side is 4 and the \r\n" );
document.write( "lower left element of the matrix on the right side is 2.  They\r\n" );
document.write( "would have to be the same if the matrices were equal. \r\n" );
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document.write( "Did you perhaps mean them to be determinants, and not matrices,\r\n" );
document.write( "like this?:\r\n" );
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document.write( "\"+abs%28matrix%282%2C2%2Cx%2C3%2C4%2Cx%29+%29+\"=\"+2%2A+abs%28matrix%282%2C2%2Cx%2C2%2C1%2C3%29%29++\"\r\n" );
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document.write( "If so then there is a solution.\r\n" );
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document.write( "The evaluation of a 2x2 determinant \"abs%28matrix%282%2C2%2Ca%2Cb%2Cc%2Cd%29%29\"\r\n" );
document.write( "is \"ad-bc\", so the determinant equation above becomes\r\n" );
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document.write( "\"+x%2Ax+-+3%2A4+=+2%28x%2A3-2%2A1%29+\"\r\n" );
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document.write( "\"x%5E2+-+12+=+2%283x-2%29\"\r\n" );
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document.write( "\"x%5E2+-+12+=+6x+-+4\"\r\n" );
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document.write( "\"x%5E2+-+6x+-+8=0\"\r\n" );
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document.write( "Solve that by the quadratic formula and get\r\n" );
document.write( "         __\r\n" );
document.write( "x = 3 ± Ö17\r\n" );
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document.write( "Edwin
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