Answer:
= 
Step-by-step explanation:
The given expression is :

We need to find this expression is equal to what.

Hence,
is equal to
. Hence, the correct option is (c).
If you list the answer choices, I might be able to help you better.
Answer: To simplify an expression means to write an equivalent expression which contains no similar terms. This means that we will rewrite the expression with the fewest terms possible.
Step-by-step explanation: Hope this helps some
Answer:
u=2t-v
Step-by-step explanation:
t=(u+v)÷2 |×2
2t=u+v
-u=v-2t |:(-1)
u=-v+2t
u=2t-v