document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=190108>Question 190108</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve this system using the Substitution Method: \r<BR>\n" );
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document.write( "x + y = 7/2\r<BR>\n" );
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document.write( "4x - 3y = -14<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 #142687 by </B><A HREF=/tutors/aboutme.mpl?userid=cutepiscean5><B>cutepiscean5(19)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=cutepiscean5><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=142687\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Substitution method---\r<BR>\n" );
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document.write( "From the first equation take out one variable in terms of the other and substitute it in the other equation.\r<BR>\n" );
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document.write( "we have:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+%2B+y+=+7%2F2+ ALIGN=MIDDLE  ALT=\"+x+%2B+y+=+7%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+7%2F2+-+y+ ALIGN=MIDDLE  ALT=\"+x+=+7%2F2+-+y+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now, substitute this value of x, into equation 2.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4x+-+3y+=+-14+ ALIGN=MIDDLE  ALT=\"+4x+-+3y+=+-14+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4%2A%287%2F2+-+y%29+-+3y+=+-14+ ALIGN=MIDDLE  ALT=\"+4%2A%287%2F2+-+y%29+-+3y+=+-14+\"   DISABLED_style= \"max-width:90%; height:auto;\" >  (Now, use distributive law to open the brackets)<BR>\n" );
document.write( "=> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+14+-+4y+-+3y+=+-14+ ALIGN=MIDDLE  ALT=\"+14+-+4y+-+3y+=+-14+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+14+-+7y+=+-14+ ALIGN=MIDDLE  ALT=\"+14+-+7y+=+-14+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (Next, bring -14 to the Left hand side by adding both sides by 14 and bring -7y to the Right hand side by adding both sides by 7y)<BR>\n" );
document.write( "=> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+14+%2B+14+=+7y+ ALIGN=MIDDLE  ALT=\"+14+%2B+14+=+7y+\"   DISABLED_style= \"max-width:90%; height:auto;\" >  (Next, Re-arrange the equation)<BR>\n" );
document.write( "=> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+7y+=+14+%2B+14+ ALIGN=MIDDLE  ALT=\"+7y+=+14+%2B+14+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+7y+=+28+ ALIGN=MIDDLE  ALT=\"+7y+=+28+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+28%2F7+ ALIGN=MIDDLE  ALT=\"+y+=+28%2F7+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+highlight%28y+=+4%29+ ALIGN=MIDDLE  ALT=\"+highlight%28y+=+4%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "plug back this value of y into the value of x to obtain x.\r<BR>\n" );
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document.write( "=> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+7%2F2+-+y+ ALIGN=MIDDLE  ALT=\"+x+=+7%2F2+-+y+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+7%2F2+-+4+ ALIGN=MIDDLE  ALT=\"+x+=+7%2F2+-+4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+highlight%28x+=+-1%2F2%29+ ALIGN=MIDDLE  ALT=\"+highlight%28x+=+-1%2F2%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "hope this helps. </SPAN>\n" );
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