SOLUTION
Write out the expression given.
Follow PEMDAS in the other of operation
Add and subtract from left to right picking two numbers and one operation.
Then
Add the next two numbers
Similarly, Add the next two numbers, we have
Then, adding the next two numbers we have
Since the signed between the next two numbers is subtraction, we subtract the numbers to obtain
Therefore
2+2-2+2+2+2-2-2 = 4
Answer = 4