document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1170180>Question 1170180</A>: <I><SPAN STYLE=\"word-break: break-all;\">  The sum of a number and 9 is multiplied by -2 and the answer is -8. Write and solve an equation to find the number. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #795033 by </B><A HREF=/tutors/aboutme.mpl?userid=math_helper><B>math_helper(2461)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_helper><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=math_helper><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=795033\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "x is \"the number\"<BR>\n" );
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document.write( "\"The sum of a number and 9\"  is  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+red%28x+%2B+9%29+ ALIGN=MIDDLE  ALT=\"+red%28x+%2B+9%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<br><BR>\n" );
document.write( "\"...multiplied by -2\"    <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+red%28-2%28x%2B9%29%29+ ALIGN=MIDDLE  ALT=\"+red%28-2%28x%2B9%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<br><BR>\n" );
document.write( "\"...equals -8\"    <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+red%28-2%28x%2B9%29+=+-8%29+ ALIGN=MIDDLE  ALT=\"+red%28-2%28x%2B9%29+=+-8%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<br>\r<BR>\n" );
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document.write( "To solve this means to isolate x on one side (then the other side is 'the number').\r<BR>\n" );
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document.write( "Divide both sides by -2:<BR>\n" );
document.write( "    <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x%2B9+=+4+ ALIGN=MIDDLE  ALT=\"+x%2B9+=+4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br>\r<BR>\n" );
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document.write( "Subtract 9 from both sides:<BR>\n" );
document.write( "    <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=++highlight%28+x+=+-5+%29+ ALIGN=MIDDLE  ALT=\"++highlight%28+x+=+-5+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <br>\r<BR>\n" );
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document.write( "Check:  -2(-5+9) = -2(4) = -8  (ok)\r<BR>\n" );
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document.write( " </SPAN>\n" );
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