document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=246063>Question 246063</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve each system by addition\r<BR>\n" );
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document.write( "2x=2-y<BR>\n" );
document.write( "3x+y= -1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #179743 by </B><A HREF=/tutors/aboutme.mpl?userid=unlockmath><B>unlockmath(1688)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=unlockmath><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=unlockmath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=179743\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hello, <BR>\n" );
document.write( "Let's first rewrite these <BR>\n" );
document.write( "2x=2-y<BR>\n" );
document.write( "3x+y= -1  so they look like this:<BR>\n" );
document.write( "2x+y=2<BR>\n" );
document.write( "3x+y=-1<BR>\n" );
document.write( "Now multiply the first equation by -1 to give us:<BR>\n" );
document.write( "-2x-y=-2<BR>\n" );
document.write( "3x+y= -1<BR>\n" );
document.write( "Adding these will look like:<BR>\n" );
document.write( "x= -3  Notice the y cancels out. Now we plug in -3 to either original equation to find y. We get:<BR>\n" );
document.write( "2(-3)=2-y or rewritten:<BR>\n" );
document.write( "-6-2=-y Combine like terms<BR>\n" );
document.write( "-8=-y Multiply -1 both sides to get:<BR>\n" );
document.write( "8=y To check the problem put the answers x=-3 and y=8 into both problems. <BR>\n" );
document.write( "Make sense?<BR>\n" );
document.write( "RJ Toftness<BR>\n" );
document.write( "www.math-unlock.com </SPAN>\n" );
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