Bluebook SAT Test Linear Equations in One Variable 10

Question 1

If 4x + 5 = 2x + 17, what is the value of x²?

Accepted Answer

36

Answer

4x − 2x = 17 − 5 → 2x = 12 → x = 6; x² = 36.

Question 2

A nurse gives patients 0.5 mg of medication per pound of body weight. A patient received 87.5 mg. How much does the patient weigh in pounds?

Accepted Answer

175

Answer

0.5w = 87.5 → w = 175.

Question 3

Solve for m: 7 − 4m = 3m − 7

Accepted Answer

2

Answer

7 + 7 = 3m + 4m → 14 = 7m → m = 2.

Question 4

A subscription service costs $8 per month after a one-time $20 registration fee. Jasmine has paid $68 in total. For how many months has she subscribed?

Accepted Answer

7

Answer

8m + 20 = 68 → 8m = 48 → m = 6.

Question 5

If the equation kx − 4 = 2x + 8 has the solution x = 6, what is the value of k?

Accepted Answer

4

Answer

6k − 4 = 12 + 8 → 6k = 24 → k = 4.

Bluebook SAT Practice Test

Bluebook SAT Practice Test

Bluebook SAT Test Linear Equations in One Variable 10