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Answer:
- 4 / 3
Step-by-step explanation:
3 ( x - 4 ) = 12x
Divide 3 on both sides,
3 ( x - 4 ) / 3 = 12x / 3
x - 4 = 4x
x - 4x = 4
- 3x = 4
x = 4 / - 3
x = - 4 / 3