SAT Math Practice Question #34687 - SATify | SATify

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SAT Math Practice Question #34687 - SATify | SATify

#34687

expressions

algebra

medium

75 sec

Which expression is equivalent to $\frac{a + 4}{b - 5} + \frac{3 a}{ab - 5 a}$ ?

A.

$\frac{a ^{2} + 7 a}{ab - 5 a}$

B.

$\frac{a ^{2} + 4 a + 3}{ab - 5 a}$

C.

$\frac{a ^{2} + 7 a + 12}{a ^{2} b - 5 ab}$

D.

$\frac{a ^{2} + 7 a}{a ^{2} b - 5 ab}$