Answer:

Step-by-step explanation:
To evaluate:

Since the fractions have a common denominator, so we can simply add the numerators keeping the denominator as it is.
⇒ 
⇒ 
Answer: x = 10
Step-by-step explanation:
x - 8 = 2
+8 +8
x = 10
Answer:so where is the question
Step-by-step explanation:plzz ask probably
(-1) to the power of an even number is +1.
(-1) to the power of an odd number is -1.
Since 50 is an even number, (-1)⁵⁰ = 1.
9 or -9 ...if I’m wrong sorry