document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1131020>Question 1131020</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use the method of substitution to solve the following system of equations. If the system is dependent, express the solution set in terms of one of the variables. Leave all fractional answers in fraction form.\r<BR>\n" );
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document.write( "{7x+8y=&#8722;18<BR>\n" );
document.write( "7x+5y=&#8722;6<BR>\n" );
document.write( "so I first isolated y on the first equation, getting (-7x-18)/8. then i substituted it for y in the second equation getting x=-3. <BR>\n" );
document.write( "I then substituted -3 for x on the first and second equation getting 3/8 and -3. <BR>\n" );
document.write( "I dont know what I'm doing, if I'm doing it right and if it is a dependent system inconsistent or only one solution. Please help if you can, Thank You! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #747622 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=747622\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the method of substitution to solve the following system of equations. If the system is dependent, express the solution set in terms of one of the variables. Leave all fractional answers in fraction form. <BR>\n" );
document.write( "{7x+8y=&#8722;18<BR>\n" );
document.write( "7x+5y=&#8722;6<BR>\n" );
document.write( "so I first isolated y on the first equation, getting (-7x-18)/8. then i substituted it for y in the second equation getting x=-3. <BR>\n" );
document.write( "I then substituted -3 for x on the first and second equation getting 3/8 and -3. <BR>\n" );
document.write( "I dont know what I'm doing, if I'm doing it right and if it is a dependent system inconsistent or only one solution. Please help if you can, Thank You!<BR>\n" );
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document.write( "Your single solution should be x = 2; y = -4. It has only one solution.<BR>\n" );
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document.write( "Note: Each equation graphs as a line.<BR>\n" );
document.write( "If the lines intersect the system has only one solution.<BR>\n" );
document.write( "If the lines are parallel the system is inconsistent and there are no solutions.<BR>\n" );
document.write( "If the lines are the same line the system is dependent and there are<BR>\n" );
document.write( "infinite solutions.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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