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