-2 - (+7) =
We will be happy to check your work.
-2 - (+7) = 9
Wrong. -2 - (+7) = -2 -7 = ?
To solve the expression -2 - (+7), we need to understand the rules of sign operations.
When subtracting a positive number, we can simply change the sign of the number and add it. So, -2 - (+7) becomes -2 + (-7).
To add these negative numbers, we add their absolute values and assign the common negative sign to the result. So, |-2 + -7| = |-2 - 7| = -9.
Therefore, -2 - (+7) equals -9.