To find the equation that has the solution
The simplest way to form an equation that yields
This can be rearranged to:
From your question, you mentioned the equation
Dividing both sides by 8 gives:
Thus, the equation
To specify an equation that does have
Any of these equations can be simplified to result in
If you specifically want an equation that closely resembles your original form but has the solution
or substitute into alternate forms leading to