document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=220890>Question 220890</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the system and it's solution of<BR>\n" );
document.write( "x+4y=12<BR>\n" );
document.write( "y=-x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #165753 by </B><A HREF=/tutors/aboutme.mpl?userid=drj><B>drj(1380)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=drj><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=drj><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=165753\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is the system and it's solution of<BR>\n" );
document.write( "x+4y=12  Equation A<BR>\n" );
document.write( "y=-x OR -x-y=0  Equation B\r<BR>\n" );
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document.write( "Step 1.  Add the above linear equations A and B yields x+(-x)+4y+(-y)=12+0 or 3y=12.\r<BR>\n" );
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document.write( "Step 2.  Dividing 3 to both sides of the equation \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3y%2F3=12%2F3 ALIGN=MIDDLE  ALT=\"3y%2F3=12%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=4 ALIGN=MIDDLE  ALT=\"y=4\"   DISABLED_style= \"max-width:90%; height:auto;\" >  and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=-y=-4 ALIGN=MIDDLE  ALT=\"x=-y=-4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Step 3.  Check  B:  -4+4*4=12... a true statement.\r<BR>\n" );
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document.write( "Step 4.  ANSWER:  The solution is x=-4 and y=4 or (-4,4).\r<BR>\n" );
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document.write( "I hope the above steps were helpful.\r<BR>\n" );
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document.write( "For FREE Step-By-Step videos in Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra and for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.\r<BR>\n" );
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document.write( "Good luck in your studies!\r<BR>\n" );
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document.write( "Respectfully,<BR>\n" );
document.write( "Dr J\r<BR>\n" );
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