12 − 4 − [5 + 2 − (− 7 + 4) −1]+ 6

asked by guest
on Nov 27, 2024 at 11:45 am



You asked:

Evaluate the expression: \(12 - 4 - \left(5 + 2 - \left(-7 + 4\right) - 1\right) + 6\)

MathBot Answer:

\[12 - 4 - \left(5 + 2 - \left(-7 + 4\right) - 1\right) + 6 = 5\]

\[\begin{aligned}12 - 4 - \left(5 + 2 - \left(-7 + 4\right) - 1\right) + 6& = 12 - 4 - \left(5 + 2 - -3 - 1\right) + 6\\& = 12 - 4 - \left(5 + 2 + 3 - 1\right) + 6\\& = 12 - 4 - \left(7 + 3 - 1\right) + 6\\& = 12 - 4 - \left(10 - 1\right) + 6\\& = 12 - 4 - 9 + 6\\& = 8 - 9 + 6\\& = -1 + 6\\& = 5\end{aligned}\]

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