College Algebra Practice Test 2026 | Exam Prep Questions And Answers

What is the solution to 2x + 3(x - 4) = 20?

2 6 8 10

Correct Answer:

Explanation:

To solve this equation, we need to distribute the 3 to the x and the -4 in the parentheses, resulting in 2x + 3x - 12 = 20. Then, we combine like terms to get 5x - 12 = 20. We add 12 to both sides to isolate the variable, giving us 5x = 32. Finally, we divide both sides by 5 to get x = 6. This is why B is the correct answer. Option A is incorrect because it only represents a part of the equation and does not take into account the other terms. Option C is incorrect because it does not consider the distribution of the 3 to the x and the -4. Option D is incorrect because it does not properly use the order of operations and does not distribute the 3 to the x and

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