Answer:
Option b) -5
Explanation:
We are given the following information in the question:
Twice of a number is equal to number decreased by five.
Let the number be x. Then, this can be written in the form of equation:
![2* x = x-5](https://img.qammunity.org/2020/formulas/mathematics/middle-school/ymrzowm4gwn7ybwaelfph5u87it6p0elod.png)
Solving the above equation:
![2* x = x-5\\2x-x = -5\\x = -5](https://img.qammunity.org/2020/formulas/mathematics/middle-school/d2zzoma6ggq6rdl3lyygnuefnsjedvnc1h.png)
Hence, the number is x = -5.
The correct answer is given by the option b) -5.