document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=273616>Question 273616</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve using the substitution method, the elimination method, or the graphing method.\r<BR>\n" );
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document.write( "5.  2(x-y) = 3x + x,<BR>\n" );
document.write( "     x = 3y + 4\r<BR>\n" );
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document.write( "6. y = two-fifths – 7,<BR>\n" );
document.write( "   y = two-fifths + 4\r<BR>\n" );
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document.write( "I need help in solving these </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #199864 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=199864\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 5.  2(x-y) = 3x + x<BR>\n" );
document.write( "2x-2y=4x<BR>\n" );
document.write( "2x-4x-2y=0<BR>\n" );
document.write( "-2x-2y=0<BR>\n" );
document.write( "x=3y+4<BR>\n" );
document.write( "x-3y=4 multiply by 2 & add.<BR>\n" );
document.write( "2x-3y=4<BR>\n" );
document.write( "-2x-2y=0<BR>\n" );
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document.write( "-5y=0<BR>\n" );
document.write( "y=0 ans.<BR>\n" );
document.write( "x=3*0+4<BR>\n" );
document.write( "x=4 ans.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "2(4-0)=3*2+2<BR>\n" );
document.write( "8=6+2<BR>\n" );
document.write( "8=8<BR>\n" );
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document.write( "6. y = two-fifths – 7<BR>\n" );
document.write( "   y = two-fifths + 4<BR>\n" );
document.write( "y=2/5-7 or y=.4-7 or y=-6.6<BR>\n" );
document.write( "y=2/5+4 or y=.4+4 or y=4.4<BR>\n" );
document.write( "Graphically these lines are parallel thus there is no unique solution for x & y.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+y+=+-6.6%2C+y+=+4.4%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+y+=+-6.6%2C+y+=+4.4%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions y = -6.6 and y = 4.4).  </SPAN>\n" );
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