document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=75618>Question 75618</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello out there,I have some questions towards some difficult equations,can someone help me please,the first question is,A solution of the equation 4x=10-cy is (5,-2).What is the value of c?The next one is,Find g(9) given that g(x)=2x+3.The next is,Find h(4) given that h(x)=x/2minus7.And the last one is,Assume that y varies directly as x.Find y when x =54 if y= 1/4 when x=3/2.Thanks for whoever can help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #54285 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=54285\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1) The solution to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x+=+10-cy ALIGN=MIDDLE  ALT=\"4x+=+10-cy\"   DISABLED_style= \"max-width:90%; height:auto;\" > is (5, -2).<BR>\n" );
document.write( "What is the value of c?<BR>\n" );
document.write( "Since you have been given the solution of (5, -2) you can substitute x = 5 and y = -2 into the given equation and solve for c.  <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%285%29+=+10+-+c%28-2%29 ALIGN=MIDDLE  ALT=\"4%285%29+=+10+-+c%28-2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Simplify.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20+=+10+%2B+2c ALIGN=MIDDLE  ALT=\"20+=+10+%2B+2c\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract 10 from both sides of the equation.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10+=+2c ALIGN=MIDDLE  ALT=\"10+=+2c\"   DISABLED_style= \"max-width:90%; height:auto;\" >  Finally, divide both sides by 2.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c+=+5 ALIGN=MIDDLE  ALT=\"c+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "2) If g(x) = 2x+3 find g(9)  Substitute 9 for x in the function.<BR>\n" );
document.write( "g(9) = 2(9)+3<BR>\n" );
document.write( "g(9) = 18+3<BR>\n" );
document.write( "g(9) = 21\r<BR>\n" );
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document.write( "3)If <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h%28x%29+=+x%2F2+-+7 ALIGN=MIDDLE  ALT=\"h%28x%29+=+x%2F2+-+7\"   DISABLED_style= \"max-width:90%; height:auto;\" >, find h(4)  Substitute 4 for x in the function.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h%284%29+=+4%2F2+-+7 ALIGN=MIDDLE  ALT=\"h%284%29+=+4%2F2+-+7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h%284%29+=+2-7 ALIGN=MIDDLE  ALT=\"h%284%29+=+2-7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h%284%29+=+-5 ALIGN=MIDDLE  ALT=\"h%284%29+=+-5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "If y varies directly as x, you can write: y = kx where k is the constant of proportionality.  To find the value of k, susbstitute the given x = 3/2 and y = 1/4<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F4+=+k%283%2F2%29 ALIGN=MIDDLE  ALT=\"1%2F4+=+k%283%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply both sides by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2F3 ALIGN=MIDDLE  ALT=\"2%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k+=+1%2F6 ALIGN=MIDDLE  ALT=\"k+=+1%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now you have:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+%281%2F6%29x ALIGN=MIDDLE  ALT=\"y+=+%281%2F6%29x\"   DISABLED_style= \"max-width:90%; height:auto;\" > Substitute x = 54.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+%281%2F6%29%2854%29 ALIGN=MIDDLE  ALT=\"y+=+%281%2F6%29%2854%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+9 ALIGN=MIDDLE  ALT=\"y+=+9\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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