Question 1184474
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What is written in your post, is / (are) the stories - not Math problems.



Continue write your stories - they are so charming (!)



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OK, it was a joke.  Now let's return to our problems.


<pre>
(1) Introduce 2 (two) variables  {{{G[f]}}} = gallons filled  and  {{{G[u]}}} = gallons used. Then the sought expression is


      {{{G[f]}}} = {{{G[u]}}} = 14.
</pre>


Part (1) is solved, explained and completed.



Now Part(2).


<pre>
(2) Introduce 2 (two) variables  {{{E[t]}}} = eggs taken  and  {{{E[b]}}} = eggs broken. Then the sought expression is


      {{{E[t]}}} = {{{E[b]}}} = 10.
</pre>

Solved, explained and completed, too.