document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=149175>Question 149175</A>: <I><SPAN STYLE=\"word-break: break-all;\"> System of two equations in two unknown\r<BR>\n" );
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document.write( "find the solution to the systems:<BR>\n" );
document.write( "3y=-+1<BR>\n" );
document.write( "3x+y=5\r<BR>\n" );
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document.write( "Can you please show step-by-step, how to get started  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #109501 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=109501\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First, you have to know the rule that the number of unknowns<BR>\n" );
document.write( "(x,y,z,etc.) has to match the number of equations, and in<BR>\n" );
document.write( "your problem, it does (2 equations and 2 unknowns), so this<BR>\n" );
document.write( "system is solvable<BR>\n" );
document.write( "Is the first equation <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+-1 ALIGN=MIDDLE  ALT=\"y+=+-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >? If so,<BR>\n" );
document.write( "just substitute this value in the 2nd equation<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x+%2B+y+=+5 ALIGN=MIDDLE  ALT=\"3x+%2B+y+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x+%2B%28-1%29+=+5 ALIGN=MIDDLE  ALT=\"3x+%2B%28-1%29+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x+-+1+=+5 ALIGN=MIDDLE  ALT=\"3x+-+1+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "add 1 to both sides<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x+=+6 ALIGN=MIDDLE  ALT=\"3x+=+6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Divide both sides by 3<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+2 ALIGN=MIDDLE  ALT=\"x+=+2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The solutions are y = -1 and x = 2 </SPAN>\n" );
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