document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=77943>Question 77943</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Help I cant figure this out!!! Please break it down fo rme so i can understand it.   Thank you \r<BR>\n" );
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document.write( "Solve the system of equations using the substitution method.\r<BR>\n" );
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document.write( "If the answer is a unique solution, present it as an ordered pair: (x, y). If not, specify whether the answer is “no solution” or “infinitely many solutions.”<BR>\n" );
document.write( "-7x + y = 4<BR>\n" );
document.write( "2x + 8y = 0<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 #55842 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=55842\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> -7x + y = 4<BR>\n" );
document.write( "2x + 8y = 0\r<BR>\n" );
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document.write( "Solve the 1st equation for Y;<BR>\n" );
document.write( "y=7x+4<BR>\n" );
document.write( "Substitute that into the 2nd equation to solve for x:<BR>\n" );
document.write( "2x+8(7x+4)=0<BR>\n" );
document.write( "2x+56x+32=0<BR>\n" );
document.write( "58x = -32<BR>\n" );
document.write( "x=-16/29<BR>\n" );
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document.write( "Substitute that in y=7x+4 to solve for y:<BR>\n" );
document.write( "7(-16/29)+4=-112/29 + 116/29 = 4/29<BR>\n" );
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document.write( "Solution:<BR>\n" );
document.write( "x=-16/29 ; y=4/29<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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