document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=418611>Question 418611</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If operation 'o' is unknown and, a 'o' b = a + 2b ; and, 3 'o' X = 4 ; what is variable X? \r<BR>\n" );
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document.write( "I would just like the first steps to solving this equation because it's been a while since I've done any math work. I took a placement test a week ago, and this question came up. I was kinda stumped. I've racked my brain ever since then to remember some formula to help me out but I can't seem to come up with one.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #293309 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=293309\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If operation 'o' is unknown and, a 'o' b = a + 2b ; and, 3 'o' X = 4 ; what is variable X? <BR>\n" );
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document.write( "Assume the operation is multiply <BR>\n" );
document.write( "ab = a + 2b<BR>\n" );
document.write( "ab - a = 2b<BR>\n" );
document.write( "a(b-1) = 2b<BR>\n" );
document.write( "a = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282b%29%2F%28b-1%29 ALIGN=MIDDLE  ALT=\"%282b%29%2F%28b-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "choose a convenient value for b, find a; b=2<BR>\n" );
document.write( "a = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282%2A2%29%2F%282-1%29 ALIGN=MIDDLE  ALT=\"%282%2A2%29%2F%282-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "a = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2F1 ALIGN=MIDDLE  ALT=\"4%2F1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "a = 4 when b = 2<BR>\n" );
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document.write( "Check this: 4 * 2 = 4 + 2(2)<BR>\n" );
document.write( "therefore<BR>\n" );
document.write( "3x = 4<BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2F3 ALIGN=MIDDLE  ALT=\"4%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = 1<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F3 ALIGN=MIDDLE  ALT=\"1%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "There are probably other solutions, but this is one </SPAN>\n" );
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