Answer:
n=-6
Step-by-step explanation:
2(n+5)=-2
distribute
2(n+5)
2xn 2x5
2n+10
2n+10=-2
subtract 10 from both sides
10-10=0
-2-10=-12
2n=-12
divide each side by 2
2n/2=n
-12/2=-6
n=-6
Answer:

Step-by-step explanation:
Solve for the value of
:

-Switch sides:


-Add
on both sides:


Therefore, the value of
is
.
Answer:
It will always be true
Step-by-step explanation:

You are taking two times a number, which is defined as x. That is equivalent to 2x. Then, you are adding three more to that product.
Consecutive exterior angles