document.write( "Question 1052412: 1/3x+3/4y=2
\n" ); document.write( "4/9x-1/4y=4 \n" ); document.write( "

Algebra.Com's Answer #667852 by Fombitz(32388) $\"\"$ $\"About$

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1. $\"%281%2F3%29x%2B%283%2F4%29y=2\"$
\n" ); document.write( "2. $\"%284%2F9%29x-%281%2F4%29y=4\"$
\n" ); document.write( "Multiply eq. 2 by 3 and add to eq. 1,
\n" ); document.write( " $\"%281%2F3%29x%2B%283%2F4%29y%2B%284%2F3%29x-%283%2F4%29y=2%2B12\"$
\n" ); document.write( " $\"%285%2F3%29x=14\"$
\n" ); document.write( " $\"x=42%2F5\"$
\n" ); document.write( "Then,
\n" ); document.write( " $\"%281%2F3%29%2842%2F5%29%2B%283%2F4%29y=2\"$
\n" ); document.write( " $\"42%2F15%2B%283%2F4%29y=2\"$
\n" ); document.write( " $\"%283%2F4%29y=30%2F15-42%2F15\"$
\n" ); document.write( " $\"%283%2F4%29y=-12%2F15\"$
\n" ); document.write( " $\"y=-%2812%2F15%29%284%2F3%29\"$
\n" ); document.write( " $\"y=-16%2F15\"$ \n" ); document.write( "

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