document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=597301>Question 597301</A>: <I><SPAN STYLE=\"word-break: break-all;\"> When a number is increased by 25, the answer is the same as doubling the sum of the number and 1. What is the number?\r<BR>\n" );
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document.write( "What I've done:\r<BR>\n" );
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document.write( "Let x be a number.<BR>\n" );
document.write( "X + 25 = 2x + 1<BR>\n" );
document.write( "(subtract 1 from both sides)<BR>\n" );
document.write( "x + 24 = 2x<BR>\n" );
document.write( "(subtract x from both sides)<BR>\n" );
document.write( "24 = x\r<BR>\n" );
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document.write( "The number is 24.\r<BR>\n" );
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document.write( "Is this correct? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #378113 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=378113\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Good work, but I interpret it slightly differently.<BR>\n" );
document.write( "The number increased by 25 should be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B25 ALIGN=MIDDLE  ALT=\"x%2B25\"   DISABLED_style= \"max-width:90%; height:auto;\" > as you wrote.<BR>\n" );
document.write( "The sum of the number and 1 is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B1 ALIGN=MIDDLE  ALT=\"x%2B1\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and doubling that sum would be multiplying it times 2 as in<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%28x%2B1%29 ALIGN=MIDDLE  ALT=\"2%28x%2B1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Those brackets are necessary if we are doubling the sum.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%2B1 ALIGN=MIDDLE  ALT=\"2x%2B1\"   DISABLED_style= \"max-width:90%; height:auto;\" > is doubling the number and then adding 1, and it's not the same.<BR>\n" );
document.write( "The way I read it, you get<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B25=2%28x%2B1%29 ALIGN=MIDDLE  ALT=\"x%2B25=2%28x%2B1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "To solve it, my first step would be to calculate that doubling of the sum (distributive property) to get<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B25=2x%2B2 ALIGN=MIDDLE  ALT=\"x%2B25=2x%2B2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The rest is like you did.<BR>\n" );
document.write( "I would subtract 2 from both sides to get<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B23=2x ALIGN=MIDDLE  ALT=\"x%2B23=2x\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and subtracting x from both sides I get<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=23%29 ALIGN=MIDDLE  ALT=\"highlight%28x=23%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
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