3-3•4

To solve the expression \(3 - 3 \cdot 4\), you need to follow the order of operations (PEMDAS/BODMAS):

1. Multiplication first: \(3 \cdot 4 = 12\)
2. Subtraction next: \(3 - 12 = -9\)

So, \(3 - 3 \cdot 4 = -9\).