document.write( "Question 743109: how do i solve the equation x(159)+y(3.3)=1000 and x(2.3)+y(0.3)=18 \n" ); document.write( "
Algebra.Com's Answer #452762 by MathLover1(20850)\"\" \"About 
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\"x%28159%29%2By%283.3%29=1000\"....eq.1 and \r
\n" ); document.write( "\n" ); document.write( "\"x%282.3%29%2By%280.3%29=18\"....eq.2
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\n" ); document.write( "\n" ); document.write( "start with
\n" ); document.write( "\"x%282.3%29%2By%280.3%29=18\"....eq.2 and solve for \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"y%280.3%29=18-x%282.3%29\"\r
\n" ); document.write( "\n" ); document.write( "\"y=18%2F%280.3%29-x%282.3%29%2F%280.3%29\"\r
\n" ); document.write( "\n" ); document.write( "\"y=60-x%287.7%29\" substitute it in eq.1\r
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\n" ); document.write( "\n" ); document.write( "\"x%28159%29%2B%2860-x%287.7%29%29%283.3%29=1000\"....eq.1 solve for \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"x%28159%29-x%2825.3%29%2B198=1000\"\r
\n" ); document.write( "\n" ); document.write( "\"x%28159-25.3%29%2B198=1000\"\r
\n" ); document.write( "\n" ); document.write( "\"x%28133.7%29=1000-198\"\r
\n" ); document.write( "\n" ); document.write( "\"x=802%2F133.7\"\r
\n" ); document.write( "\n" ); document.write( "\"x=5.99\"...round it\r
\n" ); document.write( "\n" ); document.write( "\"x=6\"\r
\n" ); document.write( "\n" ); document.write( "now find \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"y=60-x%287.7%29\"\r
\n" ); document.write( "\n" ); document.write( "\"y=60-5.99%287.7%29\"\r
\n" ); document.write( "\n" ); document.write( "\"y=60-46.123\"\r
\n" ); document.write( "\n" ); document.write( "\"y=13.9\"\r
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