Question 1173054
The number of gallons of gas that were in the tank plus 7 more adds up to 12 gallons.
<pre>
{{{(matrix(12,1,
The, number, of, gallons, of, gas, that, were, in, the, tank,g))}}}{{{(matrix(7,1,plus,"","(that's",a,PLUS,"sign)",""+""))}}}{{{(matrix(2,1,7,more))}}}{{{(matrix(9,1,adds,up,to,"","(that's",an, equal,"sign)",""=""))}}}{{{(matrix(2,1,12,gallons))}}}<font size = 8>
  g     +   7   =   12</font>

Edwin</pre>