2
algebra

Solve for xx: 3x−6y=123x - 6y = 12

A

x = 6y + 12

B

x = -2y + 4

C

x = 2y - 4

D

x = 2y + 4

Correct Answer: D

Choice Bhoice C is the correct answer.

  1. Start: 3x−6y=123x - 6y = 12
  2. Add 6y: 3x=6y+123x = 6y + 12
  3. Divide by 3: x=2y+4x = 2y + 4

Choice Bhoice D is incorrect because sign error.

Choice Bhoice A is incorrect because sign error.

Choice Bhoice D is incorrect because forgot to divide.

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Linear Functions Set 36