Evaluate ((-15+19)÷(-2))-((-12-15+27)(-189)+9)

$((- 15 + 19) \div (- 2)) - ((- 12 - 15 + 27) (- 189) + 9)$

Add $- 15$ and $19$ .

$\frac{4}{- 2} - ((- 12 - 15 + 27) (- 189) + 9)$

Simplify each term.

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Divide $4$ by $- 2$ .

$- 2 - ((- 12 - 15 + 27) (- 189) + 9)$

Simplify each term.

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Subtract $15$ from $- 12$ .

$- 2 - ((- 27 + 27) \cdot - 189 + 9)$

Add $- 27$ and $27$ .

$- 2 - (0 \cdot - 189 + 9)$

Multiply $0$ by $- 189$ .

$- 2 - (0 + 9)$

Add $0$ and $9$ .

$- 2 - 1 \cdot 9$

Multiply $- 1$ by $9$ .

$- 2 - 9$

Subtract $9$ from $- 2$ .

$- 11$

Evaluate ((-15+19)÷(-2))-((-12-15+27)(-189)+9)

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