1

Set 11: Linear Equations (Advanced)

Explanation

Answer: D

Solve: 3(2x5)=153(2x - 5) = 15

A.

2.5

B.

0

C.

10

D.

5

✓ Correct

Detailed Explanation

Choice D is correct. Choice Ahoice C is the correct answer. 1. Divide by 3: 2x5=52x - 5 = 5 2. Add 5: 2x=102x = 10 3. Divide by 2: x=5x = 5 4. Verify: 3(105)=153(10 - 5) = 15 ✓ Choice Ahoice D is incorrect because it results from an error in the solution process. Choice Ahoice C is incorrect because it results from an error in the solution process. Choice Ahoice D is incorrect because it results from an error in the solution process.

Key Steps:

The correct answer is 5

Why others are wrong:
A: Choice A is incorrect and may result from a calculation error.
B: Choice B is incorrect and may result from a calculation error.
C: Choice C is incorrect and may result from a calculation error.

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