document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=320147>Question 320147</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine whether each sysem is consistent or inconsistent by solving it algebraically and graphically.\r<BR>\n" );
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document.write( "I am having a problem solving fory \"y\". They say the answer is 9/4 or 2.25<BR>\n" );
document.write( "2x-y=1<BR>\n" );
document.write( "4x+2y=7\r<BR>\n" );
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document.write( "2(2x) - (2y = -1(2)\r<BR>\n" );
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document.write( "4x-2y=-2        2(5/8)-y= 1<BR>\n" );
document.write( "4x+2y=7           5/4-1=y  <BR>\n" );
document.write( "8x = 5<BR>\n" );
document.write( " x=5/8 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #229300 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=229300\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2x-y=1 ___ multiplying by 2 ___ 4x - 2y = 2<BR>\n" );
document.write( "4x+2y=7\r<BR>\n" );
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document.write( "adding equations to eliminate y's ___ (4x - 2y) + (4x + 2y) = 2 + 7 ___ 8x = 9 ___ x = 9/8\r<BR>\n" );
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document.write( "substituting to find y ___ 2(9/8) - y = 1 ___ (9/4) - 1 = y ___ 5/4 = y </SPAN>\n" );
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