SAT Math Practice Question #34948 - SATify | SATify

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SAT Math Practice Question #34948 - SATify | SATify

#34948

expressions

algebra

medium

60 sec

Which expression is equivalent to $- 7 (3 a - 4 b)$ ?

A.

$- 21 a - 28 b$

B.

$- 21 a + 28 b$

C.

$21 a - 28 b$

D.

$21 a + 28 b$