SAT Systems of two linear equations in two variables Practice Question 6 (Easy)

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Question bank / Systems of two linear equations in two variables

Math · AlgebraEasy

$3x + 2y = 16$
$x - 2y = 0$
What is the value of $x$ in the solution to the system of equations above?

$2$

$4$

$8$

$16$

Show answer and explanation

Answer: B

Add the equations to eliminate $y$ : $4x = 16$ , so $x = 4$ .

Choice A is the value of $y$ , since $x = 2y$ gives $y = 2$ .

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