-7-(-89,5)

To solve the expression \(-7 - (-89.5)\), follow the steps below:

1. The expression involves a negative sign in front of the \(-89.5\), which is equivalent to adding \(89.5\).

2. So, you can rewrite the expression as: \[ -7 + 89.5 \]

3. Now, calculate \(89.5 - 7\): \[ 89.5 - 7 = 82.5 \]

Thus, the result of \(-7 - (-89.5)\) is \(82.5\).