Answer:
The Answer is gonna be 21
EXPLANATION :
8x = 168
x=168/8
x=21
This is the right Answer :3
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To find the difference, we are going to destroy the parenthesis first, and then, we are going to perform the operations. Remember that to destroy a parenthesis preceded by a negative sign (-), you should change the signs of the factors inside the parenthesis:


Now we can factor both numerator and denominator and simplify:

We can conclude that the difference in simplest form is:
Answer:
n = 6
Step-by-step explanation:
