Answer:
4(3-X) + 6x = 3x + 12 - X
Explanation:
4x(3-X) + 6X = 3X + 12 - X
<=> 12 - 4X + 6X = 2X + 12
<=> (12 - 12) + (6X - 4X - 2X) = 0
<=> 0X = 0
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