5
algebra

Solve: 0.2x−1.5=2.50.2x - 1.5 = 2.5

A

5

B

0.5

C

20

D

2

Correct Answer: C

Choice Bhoice C is the correct answer.

  1. Add 1.5: 0.2x=4.00.2x = 4.0
  2. Divide by 0.2: x=20x = 20
  3. Verify: 0.2(20)−1.5=4−1.5=2.50.2(20) - 1.5 = 4 - 1.5 = 2.5 ✓

Choice Bhoice D is incorrect because calculation error.

Choice Bhoice A is incorrect because calculation error.

Choice Bhoice D is incorrect because calculation error.

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Linear Functions Set 21