7
algebra

Solve: 5x2=10\frac{5x}{2} = 10

A

20

B

2

C

4

D

5

Correct Answer: C

Choice Ahoice C is the correct answer.

  1. Multiply by 2: 5x=205x = 20
  2. Divide by 5: x=4x = 4
  3. Verify: 202=10\frac{20}{2} = 10

Choice Ahoice D is incorrect because calculation error.

Choice Ahoice B is incorrect because calculation error.

Choice Ahoice D is incorrect because calculation error.