document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=619449>Question 619449</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the following system by substitution.<BR>\n" );
document.write( "x=7y+24<BR>\n" );
document.write( "x=(7/4)y\r<BR>\n" );
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document.write( "My work:<BR>\n" );
document.write( "(7/4)y = 7y+24<BR>\n" );
document.write( "multiply each side by 4\r<BR>\n" );
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document.write( "7y=28y+96<BR>\n" );
document.write( "divide by 7\r<BR>\n" );
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document.write( "y= 4y+(96/7)<BR>\n" );
document.write( "move the Y and 96/7 to the other side<BR>\n" );
document.write( "-(96/7) = 3y<BR>\n" );
document.write( "I've multiplied 7 on both sides and then divided -672 = 21y which equals to -32\r<BR>\n" );
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document.write( "then input the -32 like this\r<BR>\n" );
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document.write( "x=7(-32)+24<BR>\n" );
document.write( "x=-200\r<BR>\n" );
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document.write( "but on the second equation it does not match<BR>\n" );
document.write( "x=(7/4)(-32) <BR>\n" );
document.write( "x=-56\r<BR>\n" );
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document.write( "and here are my choices:<BR>\n" );
document.write( "A. The solution set is {( _, _)} (Type an ordered pair)<BR>\n" );
document.write( "B. The system has dependent equations. The solution set is {x,y)| _____}<BR>\n" );
document.write( "c. The system is inconsisten. The solution set is undefined. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #389657 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=389657\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x=7y+24\r<BR>\n" );
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document.write( "(7/4)y=7y+24\r<BR>\n" );
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document.write( "7y=4*(7y+24)\r<BR>\n" );
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document.write( "7y=28y+96\r<BR>\n" );
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document.write( "7y-28y=96\r<BR>\n" );
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document.write( "-21y=96\r<BR>\n" );
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document.write( "y=96/(-21)\r<BR>\n" );
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document.write( "y = -32/7\r<BR>\n" );
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document.write( "-------------------------\r<BR>\n" );
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document.write( "x = 7y+24\r<BR>\n" );
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document.write( "x = 7(-32/7)+24\r<BR>\n" );
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document.write( "x = -32+24\r<BR>\n" );
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document.write( "x = -8\r<BR>\n" );
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document.write( "Answer:\r<BR>\n" );
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document.write( "<font color=\"red\">A.</font> The solution set is {( <font color=\"red\">-8</font>, <font color=\"red\">-32/7</font>)} (Type an ordered pair)\r<BR>\n" );
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document.write( "B. The system has dependent equations. The solution set is {(x,y)| _____}\r<BR>\n" );
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document.write( "c. The system is inconsistent. The solution set is undefined. </SPAN>\n" );
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