Answer:
a= -7 ; b = -1 ; c = 5 ; d = 8
Explanation:
a = 3 x (-3) +2 = -9 + 2 = -7
b = 3 x (-1) + 2 = -3 + 2 = -1
c = 3x1 +2 = 3 + 2 = 5
d = 3x2 +2 = 6 +2 = 8
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