<problem>
<script type="loncapa/perl">$z=&random(1,10,1);
$constant=&random(1,10,1);
# y=x+z-constant, solving for x, x=y-z+constant, prettyconstant is for simplifying
$prettyconstant=$constant-$z;
$x="y+$prettyconstant";
# code below substitutes '+-' and '-+' for '-'. This is used in display of answer
$x=~s/\+-/-/g;
$x=~s/-\+/-/g;</script>
<startouttext />If z=$z and y=x+z-$constant, what does x equal?
<endouttext />
<formularesponse samples="y@-5:5#10" answer="$x">
<responseparam decription="Numerical Tolerance" type="tolerance" default="0.00001" name="tol" />
<textline size="25" />
</formularesponse>
</problem>
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>