On the set $\mathbb{Z}$ of all integers, * is defined by $a * b = a + b - 5$. If $2 * (x * 3) = 5$, then $x = - DASH

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Question

On the set $\mathbb{Z}$ of all integers, * is defined by $a * b = a + b - 5$. If $2 * (x * 3) = 5$, then $x =

0

3

5

10

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