document.write( "Question 974359: 3x-y=3,7x+2y=20 \n" ); document.write( "
Algebra.Com's Answer #596271 by Fombitz(32388)\"\" \"About 
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Multiply the first equation by 2 and add the equations together,
\n" ); document.write( "\"6x-2y%2B7x%2B2y=6%2B20\"
\n" ); document.write( "Now solve for x, then go back and solve for y.
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