document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=7545>Question 7545</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am sorry but I am trying to help my son figure this out and just don't get it. Below you will find  the problem. Please walk me through how to solve this problem, step by step so that I may help him.\r<BR>\n" );
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document.write( "I have 5 problems just like this\r<BR>\n" );
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document.write( "Thank you,\r<BR>\n" );
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document.write( "4(Sn-7)=10n+2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #4157 by </B><A HREF=/tutors/aboutme.mpl?userid=bonster><B>bonster(299)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=bonster><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=4157\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Can you verify that the problem was written correctly?  <BR>\n" );
document.write( "You wrote: 4(Sn-7)=10n+2<BR>\n" );
document.write( "Is it possibly: 4(5n-7)=10n+2?<BR>\n" );
document.write( "If so, this is what you'd do:\r<BR>\n" );
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document.write( "1) Look at the first part \"4(5n-7)\"<BR>\n" );
document.write( "you need to multiply 4 to both \"5n\" and to \"-7\"<BR>\n" );
document.write( "(5n)(4)-(7)(4)\r<BR>\n" );
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document.write( "2) put it back into the equation:<BR>\n" );
document.write( "4(5n-7)=10n+2<BR>\n" );
document.write( "(5n)(4)-(7)(4)=10n+2<BR>\n" );
document.write( "20n-28=10n+2\r<BR>\n" );
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document.write( "3) Subtract 10n from both sides to isolate +2<BR>\n" );
document.write( "(20n-28)-10n=(10n+2)-10n<BR>\n" );
document.write( "10n-28=2\r<BR>\n" );
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document.write( "4)add 28 to both sides to isolate 10n<BR>\n" );
document.write( "(10n-28)+28=(2)+28<BR>\n" );
document.write( "10n=30\r<BR>\n" );
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document.write( "5) divide both sides by 10 to isolate n<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2810n%29%2F10 ALIGN=MIDDLE  ALT=\"%2810n%29%2F10\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2F10 ALIGN=MIDDLE  ALT=\"30%2F10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "n=3 </SPAN>\n" );
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