SAT Math Practice Question #36092 - SATify | SATify

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SAT Math Practice Question #36092 - SATify | SATify

#36092

equations

algebra

medium

60 sec

The equation $\frac{6}{a} - \frac{3}{b} = - \frac{1}{c}$ relates the variables $a, b,$ and $c$ . If $a, b,$ and $c$ are positive, which expression is equivalent to $a$ ?

A.

$\frac{6 b c}{b - 3 c}$

B.

$\frac{6 b c}{3 c - b}$

C.

$\frac{6 ( 3 c - b )}{b c}$

D.

$\frac{b c}{6 ( 3 c - b )}$