SAT Math Practice Question #7689 - SATify | SATify

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SAT Math Practice Question #7689 - SATify | SATify

#7689

linear equations

equations

algebra

substitution

systems

easy

35 sec

$y = 2 x$
$5 x + y = 21$
The solution to the given system of equations is $(x, y)$ . What is the value of $x$ ?

A.

1

B.

2

C.

3

D.

7