Explanation

W = 8i + 3J

X = 6i - 5J 

Y = 2i + 3J

w + x - 2y = 8i + 3j + 6i - 5j - 2(2i + 3j)

= 10i - 8j

Z = \(\frac{10i - 8j}{|Z|}\)

= \(\frac{10i - 8j}{4}\)

= \(\frac{10i}{4}\)

\(\frac{8j}{4}\)

= \(\frac{5}{2}\)i - 2j

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