Question

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

Answer 1

7k

Explanation:

note that - (- k) = + k

Given

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

Answer 2

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Answer:

7k

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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

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