document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=374087>Question 374087</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve using the multiplication principle first. Then use the elimination method.<BR>\n" );
document.write( "2x+y=13<BR>\n" );
document.write( "4x+2y=23<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #266363 by </B><A HREF=/tutors/aboutme.mpl?userid=sophxmai><B>sophxmai(62)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=sophxmai><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=sophxmai><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=266363\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1) 2x+y=13<BR>\n" );
document.write( "2) 4x+2y=23<BR>\n" );
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document.write( "Multiply equation 1 by 2.<BR>\n" );
document.write( "2x+7y=13<BR>\n" );
document.write( "2(2x+7y)=2(13)<BR>\n" );
document.write( "4x+14y=26<BR>\n" );
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document.write( "Let the result of above be equation 3.<BR>\n" );
document.write( "3) 4x+14y=26<BR>\n" );
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document.write( "Subtract equation 3 from 2.<BR>\n" );
document.write( " 4x+14y=26<BR>\n" );
document.write( "-4x+ 2y=23<BR>\n" );
document.write( " 0x+12y=3<BR>\n" );
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document.write( "From there, solve for y.<BR>\n" );
document.write( "12y=3<BR>\n" );
document.write( "  y=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F12 ALIGN=MIDDLE  ALT=\"3%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "  y=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F4 ALIGN=MIDDLE  ALT=\"1%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Substitute y=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F4 ALIGN=MIDDLE  ALT=\"1%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > in equation 1 (any equation works here).<BR>\n" );
document.write( "2x+y=13<BR>\n" );
document.write( "2x+<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F4%29 ALIGN=MIDDLE  ALT=\"%281%2F4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=13<BR>\n" );
document.write( "2x=12-<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F4 ALIGN=MIDDLE  ALT=\"1%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2812-1%2F4%29%2F2 ALIGN=MIDDLE  ALT=\"%2812-1%2F4%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=47%2F8 ALIGN=MIDDLE  ALT=\"47%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x=5.875 </SPAN>\n" );
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