document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=170032>Question 170032</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, Can you please help?<BR>\n" );
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document.write( "When given the system of equations of\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+system+%283x-5y=11%2C8x%2B7y=9%29+ ALIGN=MIDDLE  ALT=\"+system+%283x-5y=11%2C8x%2B7y=9%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "If you are solving it using elimination<BR>\n" );
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document.write( "This is how I would solve it<BR>\n" );
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document.write( "I would  multiply the whole second equation by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5%2F7+ ALIGN=MIDDLE  ALT=\"+5%2F7+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+8x%2B7y=9+ ALIGN=MIDDLE  ALT=\"+8x%2B7y=9+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%285%2F7%29%288x%2B7y%29=%285%2F7%299+ ALIGN=MIDDLE  ALT=\"+%285%2F7%29%288x%2B7y%29=%285%2F7%299+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%2840%2F7%29x%2B5y=45%2F7+ ALIGN=MIDDLE  ALT=\"+%2840%2F7%29x%2B5y=45%2F7+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "I would then add this equation with the first equation<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+system%28+3x+-+5y+=+11%2C+%2840%2F7%29x%2B5y=45%2F7%29+ ALIGN=MIDDLE  ALT=\"+system%28+3x+-+5y+=+11%2C+%2840%2F7%29x%2B5y=45%2F7%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "I would then come up with <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%2861%2F7%29x+=+122%2F7+ ALIGN=MIDDLE  ALT=\"+%2861%2F7%29x+=+122%2F7+\"   DISABLED_style= \"max-width:90%; height:auto;\" >, then I solve it, and find that \"x\" = 2, then I would plug in the answer, and find that \"y\" = (-1)<BR>\n" );
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document.write( "Is this how elimination works?<BR>\n" );
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document.write( "Or do you have to do it this way...<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+system+%283x-5y=11%2C8x%2B7y=9%29+ ALIGN=MIDDLE  ALT=\"+system+%283x-5y=11%2C8x%2B7y=9%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Multiply the first equation by \"7\" and the second by \"5\"<BR>\n" );
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document.write( "I did the math and came up with<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+system+%2821x-35y=77%2C40x%2B35y=45%29+ ALIGN=MIDDLE  ALT=\"+system+%2821x-35y=77%2C40x%2B35y=45%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Then add the equations<BR>\n" );
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document.write( "I get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+61x+=+122+ ALIGN=MIDDLE  ALT=\"+61x+=+122+\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and then find \"x\" is \"2\", and \"y\" = (-1)<BR>\n" );
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document.write( "I will be doing quizzes soon, and I perfer the first way, but does elimination mean you do it the second way<BR>\n" );
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document.write( "What I am asking is, is it o.k. to do elimination the first way, or is the second way, the right way to do it?<BR>\n" );
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document.write( "Thanks ahead of time, Levi </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #125490 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=125490\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> IF BOTH MATHODS GETS YOU THE CORRECT ANSWERS THEN YOU SHOULD CHOOSE THE SHORTEST METHOD. LESS CHANCE OF MAKING A MISTAKE IN THE MATH & YOU'RE USING WHOLE NUMBERS RATHER THAN FRACTIONS (WHICH CAN GET MESSY OR CONFUSING). </SPAN>\n" );
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