SAT Systems of two linear equations in two variables Practice Question 1 (Easy)

SAT Owl

Question bank / Systems of two linear equations in two variables

Math · AlgebraEasy

$x + y = 10$
$x - y = 4$
What is the value of $x$ in the solution to the system of equations above?

$3$

$6$

$7$

$14$

Show answer and explanation

Answer: C

Add the equations: $2x = 14$ , so $x = 7$ . (Then $y = 3$ .)

Choice A is the value of $y$ , not $x$ .

Ask Owl about this question Next question

Got it wrong? On SAT Owl, Owl looks at the answer you chose and explains the exact mistake, then gives you similar questions until it sticks. Get your predicted SAT score free.