Help please,

one third of negative 18

How do I write the equation?

(1/3)(-18) = x

To find one-third of a number, you simply divide the number by 3.

In this case, to find one-third of negative 18, you divide -18 by 3.

Dividing -18 by 3, you get:

(-18) ÷ 3 = -6

So, one-third of negative 18 is -6.