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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.
Posted by sciencesolve on October 21, 2013 at 3:39 PM (Answer #1)
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