(-12)-{(+7)+(-9)}
You asked:
Evaluate the expression: \(-12 - \left(7 + -9\right)\)
MathBot Answer:
\[-12 - \left(7 + -9\right) = -10\]
\[\begin{aligned}-12 - \left(7 + -9\right)& = -12 - \left(7 - 9\right)\\& = -12 - -2\\& = -12 + 2\\& = -10\end{aligned}\]