document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=522756>Question 522756</A>: <I><SPAN STYLE=\"word-break: break-all;\"> need help seeing if these two expressions are equivalent<BR>\n" );
document.write( "-2(3m-7) 14-6m<BR>\n" );
document.write( "You put -1 in for M </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #346975 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=346975\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> need help seeing if these two expressions are equivalent<BR>\n" );
document.write( "-2(3m-7) 14-6m<BR>\n" );
document.write( "You put -1 in for M<BR>\n" );
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document.write( "-2(3m-7) = -2*3m + -2*(-7) = -6m + 14<BR>\n" );
document.write( "= 14 - 6m, so they're equal.<BR>\n" );
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document.write( "Testing with any number is not proof they're equal.<BR>\n" );
document.write( "Testing with a number and finding them not equal is sufficient to disprove it, but it's not a sufficient test to prove that they're equal for ALL values of m.<BR>\n" );
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