The correct answer is:
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" 77 / x " ; or; "x ÷ 77" .
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In algebra, the former is preferred; that is: " 77 / x " .
1. The given rectangular equation is
.
We substitute
.

Divide through by 



2. The given rectangular equation is:

This is the same as:

We use the relation 
This implies that:



3. The given rectangular equation is:

This is the same as:
We use the relation
and 
This implies that:

Divide through by r


4. We have 
We substitute
and 

This implies that;



5. We have 
We substitute
and 

This implies that;



(9)(3) + 5
27 + 5
32
Your answer is 32.
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