document.write( "Question 1007033: please solve system of equations by elimination\r
\n" ); document.write( "\n" ); document.write( "2x+y=7
\n" ); document.write( "3x-y=3
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Algebra.Com's Answer #623078 by ikleyn(52793)\"\" \"About 
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\n" ); document.write( "please solve system of equations by elimination\r
\n" ); document.write( "\n" ); document.write( "2x + y = 7
\n" ); document.write( "3x - y = 3
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\n" ); document.write( "\n" ); document.write( "As the first step, add both equations (add their left sides and right sides respectively).\r
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\n" ); document.write( "\n" ); document.write( "Then think what to do next.\r
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