(x-1)=3

To solve the equation \( (x - 1) = 3 \), you can follow these steps:

1. Add 1 to both sides of the equation: \[ x - 1 + 1 = 3 + 1 \]

2. This simplifies to: \[ x = 4 \]

So, the solution to the equation \( (x - 1) = 3 \) is \( x = 4 \).