Digital PSAT Math Practice Question 332: Answer and Explanation

Question: 332

Solve for x in the equation below:

4 x - y = \frac{1}{2} x - y + 7

Grid-In:

Correct Answer: 2

Explanation:

2 Cancel out the y-terms on each side, and solve for x:

4 x - y = 1 / 2 x - y + 7 \to 4 x = 1 / 2 x + 7 \to 3.5 x = 7 \to x = 2