document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=104451>Question 104451</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0618250034/algebrahomeworkh>Pre-Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> We are having problems solving this equation, and would like to know where we are going wrong.\r<BR>\n" );
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document.write( "10 + 3(x+2)= 31<BR>\n" );
document.write( "Is it 13-2x=31?\r<BR>\n" );
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document.write( "thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #370322 by </B><A HREF=/tutors/aboutme.mpl?userid=dfrazzetto><B>dfrazzetto(283)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=dfrazzetto><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=dfrazzetto><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=370322\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Allstar is completely wrong.\r<BR>\n" );
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document.write( "Expanding the equation, distribute(multiply) the 3:\r<BR>\n" );
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document.write( "10 + 3(x+2) = 31<BR>\n" );
document.write( "10 + 3x + 6 = 31<BR>\n" );
document.write( "3x + 16 = 31         (subtract 16 from both sides)\r<BR>\n" );
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document.write( "3x = 15\r<BR>\n" );
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document.write( "x = 5 \r<BR>\n" );
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document.write( "Plug back into original equation to check:\r<BR>\n" );
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document.write( "10 + 3(5+2) = 31<BR>\n" );
document.write( "10 + 3(7) = 31<BR>\n" );
document.write( "10 + 21 = 31 &#8730; Correct </SPAN>\n" );
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