document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=969444>Question 969444</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve and then check the system of equations by substitution method. SHOW ALL WORK STEP BY STEP!\r<BR>\n" );
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document.write( "4a+7b=2<BR>\n" );
document.write( "5a+b=-13 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #592335 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39630)</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=592335\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4a=-7b%2B2 ALIGN=MIDDLE  ALT=\"4a=-7b%2B2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=-%287%2F4%29b%2B2 ALIGN=MIDDLE  ALT=\"a=-%287%2F4%29b%2B2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "substitution:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%282-%287%2F4%29b%29%2Bb=-13 ALIGN=MIDDLE  ALT=\"5%282-%287%2F4%29b%29%2Bb=-13\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10-35b%2F4%2Bb=-13 ALIGN=MIDDLE  ALT=\"10-35b%2F4%2Bb=-13\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-35b%2F4%2Bb=-23 ALIGN=MIDDLE  ALT=\"-35b%2F4%2Bb=-23\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=35b%2F4-b=23 ALIGN=MIDDLE  ALT=\"35b%2F4-b=23\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=35b-4b=92 ALIGN=MIDDLE  ALT=\"35b-4b=92\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=31b=92 ALIGN=MIDDLE  ALT=\"31b=92\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28b=92%2F31%29 ALIGN=MIDDLE  ALT=\"highlight%28b=92%2F31%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now find value for a.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=2-%287%2F4%29b ALIGN=MIDDLE  ALT=\"a=2-%287%2F4%29b\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=2-%287%2F4%29%2892%2F31%29 ALIGN=MIDDLE  ALT=\"a=2-%287%2F4%29%2892%2F31%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=2-%287%2A92%29%2F%284%2A31%29 ALIGN=MIDDLE  ALT=\"a=2-%287%2A92%29%2F%284%2A31%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=%282%284%2A31%29-7%2A92%29%2F%284%2A31%29 ALIGN=MIDDLE  ALT=\"a=%282%284%2A31%29-7%2A92%29%2F%284%2A31%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=-396%2F%284%2A31%29 ALIGN=MIDDLE  ALT=\"a=-396%2F%284%2A31%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28a=-99%2F31%29 ALIGN=MIDDLE  ALT=\"highlight%28a=-99%2F31%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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