When 18 is subtracted from six times a certain number, the result is - 42 what is the number

The value for such given number is - 4.

Step-by-step explanation:

Let the given number = m

So, according to the question: 6 m - 18 = - 42

Now, solving for the value of m,

6m - 18 = - 42 ⇒ 6m = - 42 + 18

⇒ 6m = - 24

or, m = - 24 / 6 = - 4

So, m = - 4

Hence the value for such number is - 4.