document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=448917>Question 448917</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What I need is a thorough laymens term on how to solve this math.\r<BR>\n" );
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document.write( "Determine whether the point (7,2) is a solution of the system<BR>\n" );
document.write( "-3x+4y=-13\r<BR>\n" );
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document.write( "-2x+8y=2<BR>\n" );
document.write( "by substituting the point into each equation?\r<BR>\n" );
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document.write( "Thank you so much </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #308821 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=308821\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What I need is a thorough laymens term on how to solve this math. <BR>\n" );
document.write( "Determine whether the point (7,2) is a solution of the system<BR>\n" );
document.write( "-3x+4y=-13 <BR>\n" );
document.write( "-2x+8y=2<BR>\n" );
document.write( "by substituting the point into each equation? <BR>\n" );
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document.write( "Yes.  If the point is a solution for the system it<BR>\n" );
document.write( "must lie at the intersection of the two lines.<BR>\n" );
document.write( "(7,2) must make both equations \"true\".<BR>\n" );
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document.write( "See if it does.<BR>\n" );
document.write( "Substituting in each equation you would get:<BR>\n" );
document.write( "-3*7+4*2 = -13<BR>\n" );
document.write( "-21+8 = -13<BR>\n" );
document.write( "-13 = -13<BR>\n" );
document.write( "OK<BR>\n" );
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document.write( "-2*7+8*2 = 2<BR>\n" );
document.write( "-14 + 16 = 2<BR>\n" );
document.write( "2 = 2<BR>\n" );
document.write( "OK<BR>\n" );
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document.write( "It makes both equations \"true\" so it is the<BR>\n" );
document.write( "solution for the system.<BR>\n" );
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document.write( "cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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