SAT Math Practice Question #35882 - SATify | SATify

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SAT Math Practice Question #35882 - SATify | SATify

#35882

linear equations

systems

equations

medium

45 sec

Given the system of equations:
$m - n = 7$
$5 (m - n) + 4 n = 23$
What is the value of $n$ ?

A.

-3

B.

3

C.

7

D.

12