Combine the like terms to create an equivalent expression
-k - ( - 8k)

7k

Step-by-step explanation:

We are trying to combine like terms with the expression: -k - ( - 8k)

We are pretty much solving it.

Solve:

-k - ( - 8k)

The "- ( -" turns into a plus sign.

So it would look like:

-k - -8k or -k + 8k

Now, you would finish solving

-k + 8k = 7k

7k

Step-by-step explanation:

note that - (- k) = + k

Given

- k - (- k) = - k + 8k = 7k

4x and 6y

im not sure though