If 2^{x + y} = 16 and 4^2x-y = ¼, find y – x: 2y

If 2^{x + y} = 16 and 4^2x-y = ¼, find y – x: 2y

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x + y = 4
2x – y = -1
x = 1, y = 3
y – x : 2y = (3, -2) : (2) (3)
= 1 : 3

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Kavungya answered the question on October 11, 2019 at 14:13

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