To distribute the minus sign outside the parentheses in the expression \(-10m - (-7.6n + 1)\), we need to change the signs of the terms inside the parentheses:
- Distributing the minus sign gives us: \[ -10m + 7.6n - 1 \]
So, the equivalent expression after distributing is: \[ -10m + 7.6n - 1 \]