document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1157002>Question 1157002</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1. Solve the system by substitution.<BR>\n" );
document.write( "  A) 3x+4y=11.     B) 3x+2y=6<BR>\n" );
document.write( "     -8x-y=19.         2x+5y=-7\r<BR>\n" );
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document.write( "2. Solve the system using the addition method<BR>\n" );
document.write( "  A)11x-5y=10.      B)10x-4y=7<BR>\n" );
document.write( "    13x-7y=2.       B)4x-y=-5\r<BR>\n" );
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document.write( "I need to show the work and I don't understand how to do them. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #779779 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=779779\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ----------------------------------<BR>\n" );
document.write( " Solve the system by substitution.<BR>\n" );
document.write( "  A) 3x+4y=11.     B) 3x+2y=6<BR>\n" );
document.write( "     -8x-y=19.         2x+5y=-7<BR>\n" );
document.write( "---------------------------------\r<BR>\n" );
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document.write( "B was already explained and the best way could be to multiply first equation by 2, second equation by 3, and substitute for 6x.  \r<BR>\n" );
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document.write( "A:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%283x%2B4y=11%2C-8x-y=19%29 ALIGN=MIDDLE  ALT=\"system%283x%2B4y=11%2C-8x-y=19%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "First easiest to SOLVE FOR y in second equation.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-y=19%2B8x ALIGN=MIDDLE  ALT=\"-y=19%2B8x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-8x-19 ALIGN=MIDDLE  ALT=\"y=-8x-19\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "SUBSTITUTE into other equation.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%2B4%28-8x-19%29=11 ALIGN=MIDDLE  ALT=\"3x%2B4%28-8x-19%29=11\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x-32x-76=11 ALIGN=MIDDLE  ALT=\"3x-32x-76=11\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-29x=76%2B11 ALIGN=MIDDLE  ALT=\"-29x=76%2B11\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-29x=87 ALIGN=MIDDLE  ALT=\"-29x=87\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=-3 ALIGN=MIDDLE  ALT=\"x=-3\"   DISABLED_style= \"max-width:90%; height:auto;\" >--------------now use this to solve for y, either equation. </SPAN>\n" );
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