7. A number is multiplied by four, then five is subtracted from the product. The result i three. What is the number?
2 answers:
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Unfortunately, there are no two such numbers.
If your original question was:
and you were trying to factor it, I would suggest the quadratic formula.
There are two solutions to
, where 
<span>, and we can find them by using the quadratic formula:
</span>
So using that, here is how it would get factored:
For your equation,
Plug in those values into the formula:
Simplifying it:
And so the solutions are:
and
If your original question was:
There are two solutions to
</span>
So using that, here is how it would get factored:
For your equation,
Plug in those values into the formula:
Simplifying it:
And so the solutions are:
and