Question

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

Answer 1

-k+8k
7k. Is the answer

Answer 2

Answer and Step-by-step explanation:

We are given the terms -1, k, -1, -1, and 8k.

Here is where those terms are found.

-1(k) -1( -1(8k) )

Distribute all of the negative ones.

-k -(-8k)

-k + 8k   _*

* How did we get positive 8k?

- When multiplying two negative numbers, which in this case was -1 and -8k, the result is positive. Thus, giving us positive 8k.

Now, combine like terms.

7k

The answer is 7k.

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I hope this helps!