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Answer: 3, 11, 36, 76, -6, 33
Explanation:
1) 4+5=9 9/3=3
N=3
2) 5+17=22 22/2=11 N=11
3) 7+5=12 12=n/3 12*3=N N=36
4) 8+30=38 N/2=38 38*2=76 N=76
5) 2n+8=5 2n=-3 2n = -3*2 -3*2=-6 N=-6
6) (N-5)/4=7 N-5=28 28+5=33 N=33