Answer:
7k
Step-by-step explanation:
The given expression is
[tex]-k-(-8k)[/tex]
We need to find the simplified form of the given expression.
Like terms: The terms which have same variables of same degree and known as like terms. For example: 2x and 4x are like terms.
The given expression can be rewritten as
[tex]-k+8k[/tex]
On combining like terms we get
[tex](-1+8)k[/tex]
[tex]7k[/tex]
Therefore, the equivalent expression of the given expression is 7k.
