document.write( "Question 204405: 3x-3y=3
\n" ); document.write( "2x+y=2 \n" ); document.write( "
Algebra.Com's Answer #154321 by checkley77(12844)\"\" \"About 
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3x-3y=3
\n" ); document.write( "2x+y=2 multiply by 3 & add.
\n" ); document.write( "6x+3y=6
\n" ); document.write( "3x-3y=3
\n" ); document.write( "---------------
\n" ); document.write( "9x=9
\n" ); document.write( "x=9/9
\n" ); document.write( "x=1 ans.
\n" ); document.write( "3*1-3y=3
\n" ); document.write( "3-3y=3
\n" ); document.write( "-3y=3-3
\n" ); document.write( "-3y=0
\n" ); document.write( "y=0/-3
\n" ); document.write( "y=0 ans.
\n" ); document.write( "Proof:
\n" ); document.write( "2*1+0=2
\n" ); document.write( "2=2
\n" ); document.write( " \n" ); document.write( "
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