For any numbers p and s, the operation Ψ is defined as p ...

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PS · Problem Solving

sub-505

Algebra

For any numbers p and s, the operation Ψ is defined as

p Ψ s = (p + 4)(s - 3)

. If

2 Ψ t = -12

, what is the value of t?

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A

-2

B

-1

C

0

D

1

E

3

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