9-y=16

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You need to solve for y the given two-steps equation, hence, you need to subtract 9 both sides, such that:

`9 - y - 9 = 16 - 9`

`-y = 7`

You need to multiply by -1 both sides, such that:

`y = -7`

**Hence, evaluating the solution to the given equation, yields y = -7.**

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