Answer:
=> 12 - 2x = -2y + 2x
=> 12 - 12 - 2x = -2y + 2x - 12
=> -2x = -2y + 2x - 12
=> -2x - 2x = -2y + 2x - 2x - 12
=> -4x = -2y - 12
=> -4x/-4 = -2y/-4 - 12/-4
=> x = 1/2y + 3...ans
Step-by-step explanation: