document.write( "Question 984621: 3x+5y=7, 1x+3y=4
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Algebra.Com's Answer #605387 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"A=%28matrix%282%2C2%2C%0D%0A3%2C5%2C%0D%0A1%2C3%29%29\"
\n" ); document.write( "\"abs%28A%29=4\"
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\n" ); document.write( "\"A%5Bx%5D=%28matrix%282%2C2%2C%0D%0A7%2C5%2C%0D%0A4%2C3%29%29\"
\n" ); document.write( "\"abs%28A%5Bx%5D%29=1\"
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\n" ); document.write( "\"A%5By%5D=%28matrix%282%2C2%2C%0D%0A3%2C7%2C%0D%0A1%2C4%29%29\"
\n" ); document.write( "\"abs%28A%5By%5D%29=5\"
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\n" ); document.write( "So then,
\n" ); document.write( "\"x=abs%28A%5Bx%5D%29%2Fabs%28A%29=1%2F4\"
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\n" ); document.write( "\"y=abs%28A%5By%5D%29%2Fabs%28A%29=5%2F4\"
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