Given a set {-3, x,3,4,6,5, -3, 2}, for what x

Given a set {-3, x,3,4,6,5, -3, 2}, for what x would the mean of the set be -1?
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Explanation:
Given the set
{-3, x,3,4,6,5, -3, 2}
There are 8 values in this set
and the set has a total value of 14+x
If the mean is (-1) then the total value of the set must be $8×\left(-1\right)=-8$
Therefore
14+x=-8
$\to x=-22$