Question 1198284
One dimension (one number line) or two dimensions?


{{{4x=-9}}}
{{{x=-9/4}}}
{{{x=-2&1/4}}}-----------just a single point on a number line.



<pre>
<----|-----|-----|------(=)--|--------|------|---------------------------->
                 -3         -2       -1      0
</pre>
(Not drawn exactly to scale)