3
algebra

Solve: 7x5=4x+107x - 5 = 4x + 10

A

3

B

15

C

1.66

D

5

Correct Answer: D

Choice Choice D is the correct answer.

  1. Subtract 4x: 3x5=103x - 5 = 10
  2. Add 5: 3x=153x = 15
  3. Divide by 3: x=5x = 5
  4. Verify: 355=3035 - 5 = 30 and 20+10=3020 + 10 = 30

Choice Choice C is incorrect because calculation error.

Choice Choice B is incorrect because calculation error.

Choice Choice D is incorrect because calculation error.