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Question 3 Run the following code and explain, using your own words, what is happening with each variable (w.x.yz) and what is the difference between --x and w-- (is there any influence on the result between prefix or postfix - operator?). Provide a snippet of the output. int main() w = 20, x 20; system("pause") return The test plan has two input: x & y for the first row and w & z for the second row; there is no invalid input. In the test plan description provide a short but complete description