Which expression has a simplified expression of 5x - 12?

-3(4 x - 4) - 7 x
3(4 x - 4) - 7 x
3(-4 x + 4) - 7 x
-3(-4 x - 4) - 7 x

1 answer

The expression that has a simplified expression of 5x - 12 is option B: 3(4x - 4) - 7x.

To see why:
- Distributing the 3 gives us 12x - 12.
- Then, subtracting 7x from that simplifies the expression to 5x - 12.
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