SAT Math Practice Question #22432 - SATify | SATify

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SAT Math Practice Question #22432 - SATify | SATify

#22432

algebra

systems

hard

120 sec

Integers $a$ , $b$ , and $c$ satisfy $ab + c = - 7$ , $b c + a = - 11$ , and $c a + b = 17$ . What is $ab + b c + c a$ ?

A.

-10

B.

-7

C.

-4

D.

0

E.

3