I assume you're asking for the total the two governing bodies make now in 2018.
[$]163,400 + [$]3,000x = t
x is represented by years, which would be 10 if it is 2018, and t is the total (answer).
163,400 + 30,000 = $193,400
The two governing bodies' salary would be, in 2018, $193,400.