document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1162239>Question 1162239</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Complete the proof:<BR>\n" );
document.write( "Given: 4x + 8 = 2x - 12<BR>\n" );
document.write( "Prove: x = -10 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #785979 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52858)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=785979\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;It is about solving simple linear equation in one unknown --- one of simplest problems in Algebra.\r<BR>\n" );
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document.write( "Step 1.  Subtract 2x from both sides.  You will get then\r\n" );
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document.write( "             2x + 8 = -12.\r\n" );
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document.write( "Step 2.  Subtract 8 from both sides.  You will get\r\n" );
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document.write( "             2x = -12 - 8,  or\r\n" );
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document.write( "             2x = - 20.\r\n" );
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document.write( "Step 3.  In the last equation, divide both sides by 2.  You will get\r\n" );
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document.write( "             x = -20/2 = -10.\r\n" );
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document.write( "It is what the problem asks to prove.\r\n" );
document.write( "</PRE>\r<BR>\n" );
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document.write( "The solution / (the proof) is completed.\r<BR>\n" );
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document.write( "To learn the subject &nbsp;(on solving simple linear equations), &nbsp;see the lesson\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/equations/How-to-solve-a-linear-equation.lesson>HOW TO solve a linear equation</A>\r<BR>\n" );
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document.write( "in this site.\r<BR>\n" );
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document.write( "This subject is one of the basic Algebra skills.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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