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3 votes
A=1/2 (x+y)
make x subject

1 Answer

4 votes

Answer:


x = 2a - y

Explanation:


a = (1)/(2) (x + y) \\ a * 2 = (1)/(2) (x + y) * 2 \\ 2a = x + y \\ 2a - y = x \\ x = 2a - y

User Hasan Zahran
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