document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=667723>Question 667723</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the answer for 30 less than 4 times a number is equal to 40? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #415539 by </B><A HREF=/tutors/aboutme.mpl?userid=gwendolyn><B>gwendolyn(128)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=gwendolyn><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=gwendolyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=415539\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Less than indicates subtraction, so we are subtracting thirty from 4 times a number. Let's call this number x. 4 times x is (4x).<BR>\n" );
document.write( "Now, we know that 4x - 30 is equal to 40. We can replace \"is equal to\" with an equals sign, and we have our equation:<BR>\n" );
document.write( "4x - 30 = 40<BR>\n" );
document.write( "All we have to do now is solve for x.<BR>\n" );
document.write( "Let's add 30 to both sides:<BR>\n" );
document.write( "4x = 40 + 30<BR>\n" );
document.write( "4x = 70<BR>\n" );
document.write( "Then, let's divide both sides by 4<BR>\n" );
document.write( "4x/4 = 70/4<BR>\n" );
document.write( "x = 17.5<BR>\n" );
document.write( "Now that x is by itself on one of the sides of the equation, we can see that the number is equal to 17.5. </SPAN>\n" );
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