document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=876446>Question 876446</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve for the variable in each equation below. Show all your work. Provide a check for each answer. If a solution is undefined, state that in your answer.\r<BR>\n" );
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document.write( ".2x+0.5x=2  please show me how to check your answer..... </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #528772 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=528772\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve for x to get\r<BR>\n" );
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document.write( "0.2x+0.5x=2\r<BR>\n" );
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document.write( "0.7x=2\r<BR>\n" );
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document.write( "x=2/0.7\r<BR>\n" );
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document.write( "x=2.857142857 (this is approximate)\r<BR>\n" );
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document.write( "-------------------------------------------------------\r<BR>\n" );
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document.write( "Check:\r<BR>\n" );
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document.write( "0.2x+0.5x=2\r<BR>\n" );
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document.write( "0.2(2.857142857)+0.5(2.857142857)=2 ... replace EVERY copy of x with 2.857142857\r<BR>\n" );
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document.write( "0.5714285714+1.4285714285=2\r<BR>\n" );
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document.write( "1.9999999999=2 \r<BR>\n" );
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document.write( "Due to round off error, we're going to get very close to 2, so this practically confirms the answer. </SPAN>\n" );
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