What is the process for finding 2y = x + 2 in an inverse function?

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gede

Please take a look in below image. How do they get 2y = x + 2?

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Merlin3189

Gold Member

They simply multiply every term by 2.
2 * y -> 2y
2 * ##\frac12## x -> x
2 * 1 -> 2

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