SAT Math Practice Question #35945 - SATify | SATify

Home Practice Exams Features Pricing Quick Start Guide About

Loading...

SAT Math Practice Question #35945 - SATify | SATify

#35945

expressions

algebra

medium

90 sec

Given the equation $\frac{1}{a} = \frac{1}{b} + \frac{1}{c} - \frac{1}{d}$ , where $a, b, c,$ and $d$ are positive variables. Which of the following is equivalent to $d$ ?

A.

$\frac{ab c}{b c + a c - ab}$

B.

$\frac{ab c}{ab + a c - b c}$

C.

$\frac{ab c}{ab - a c + b c}$

D.

$a - b - c$