document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=709656>Question 709656</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve each system by elimination. 3x- y=7 and 2x+y=3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #436729 by </B><A HREF=/tutors/aboutme.mpl?userid=lenny460><B>lenny460(1073)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lenny460><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=lenny460><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=436729\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve each system by elimination. 3x- y=7 and 2x+y=3\r<BR>\n" );
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document.write( "3x - y = 7\r<BR>\n" );
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document.write( "2x + y = 3\r<BR>\n" );
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document.write( "3x - y + 2x + y = 7 + 3\r<BR>\n" );
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document.write( "Combine like terms:\r<BR>\n" );
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document.write( "3x + 2x = 5x\r<BR>\n" );
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document.write( "-y + y = 0\r<BR>\n" );
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document.write( "7 + 3 = 10\r<BR>\n" );
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document.write( "5x = 10\r<BR>\n" );
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document.write( "Divide each side by 5\r<BR>\n" );
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document.write( "5x/5 = 10/5\r<BR>\n" );
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document.write( "x = 2\r<BR>\n" );
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document.write( "Substitute x = 2 in equation 1.\r<BR>\n" );
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document.write( "3x - y = 7\r<BR>\n" );
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document.write( "3(2) - y = 7\r<BR>\n" );
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document.write( "6 - y = 7\r<BR>\n" );
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document.write( "Subtract 6 from each side.\r<BR>\n" );
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document.write( "6 - y - 6 = 7 - 6\r<BR>\n" );
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document.write( "6 - 6 = 0\r<BR>\n" );
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document.write( "7 - 6 = 1\r<BR>\n" );
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document.write( "-y = 1\r<BR>\n" );
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document.write( "Divide each side by -1\r<BR>\n" );
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document.write( "-1y/-1 = 1/-1\r<BR>\n" );
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document.write( "y = -1\r<BR>\n" );
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document.write( "2x + y = 3\r<BR>\n" );
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document.write( "2()2 + -1 = 3\r<BR>\n" );
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document.write( "4 + -1 = 3 or\r<BR>\n" );
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document.write( "4 - 1 = 3\r<BR>\n" );
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document.write( "Therefore:\r<BR>\n" );
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document.write( "x = 2 and \r<BR>\n" );
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document.write( "y = -1\r<BR>\n" );
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document.write( "Lennox Obuong<BR>\n" );
document.write( "Algebra Tutor<BR>\n" );
document.write( " </SPAN>\n" );
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