SAT Math Practice Question #8051 - SATify | SATify

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SAT Math Practice Question #8051 - SATify | SATify

#8051

equations

algebra

manipulation

formulas

easy

30 sec

The given equation relates the numbers $a$ , $b$ , and $c$ . Which equation correctly expresses $b$ in terms of $a$ and $c$ ?
$3 a + 7 b = c$

A.

$b = \frac{c - 3 a}{7}$

B.

$b = \frac{3 a - c}{7}$

C.

$b = \frac{c}{7} - 3 a$

D.

$b = 7 c - 3 a$