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Given the equation 2x +4 = 4x -2, select the reasoning that correctly solves for x.
A.add 2, subtract 2x, then divide by 2
B.add 2, subtract 4x, then divide by -2
C.subtract 4, subtract 2x, then divide by -2
D.subtract 4, subtracts 4x, then divide by 2.,

Respuesta :

Kalahira
The correct answer is A, as you add two to both sides, giving 2x +6=4x, then subtract 2x from both sides, giving 6=2x, and then divide both sides by 2, giving 3=x.
asiafloren

A is the correct answer.

  1. 2x+4=4x-2
  2. 2x+4+2=4x-2+2
  3. 2x+6=4x
  4. 2x-2x+6=4x-2x
  5. 6/2=2x/2
  6. 3=x

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