We are asked to translate the following phrase or sentence into a math expression or equation.
"One less than four times a number yields 127"
Let m be the unknown number.
Mathematically, we can write
![4m-1=127](https://img.qammunity.org/2023/formulas/mathematics/college/rwm344pg2f4bqam6bj5kq2p0pvsepdj4bj.png)
One less than four times a number means 4m - 1, yields 127 means it is equal to 127.
Since there is an equal sign it is called an equation.
Therefore, the mathematical equation for the given word problem is
![4m-1=127](https://img.qammunity.org/2023/formulas/mathematics/college/rwm344pg2f4bqam6bj5kq2p0pvsepdj4bj.png)