Answer:
7k -7
Step-by-step explanation:
-k-(-8k+7)
Distribute the minus sign to all terms in the parentheses
-k--8k-7
Ad negative negative is a positive
-k + 8k -7
Combine like terms
7k -7
Answer:
Are singing that one song
Step-by-step explanation:
Answer:
and
.
Step-by-step explanation:
We have been given a system of equations. We are asked to solve our given system.


From equation (1), we will get:

Upon substituting this value in equation (2), we will get:





Now, we will substitute
in equation (1).



Therefore, the point
is solution for our given equation.