What is (-3-9)-(8+7) ?

The solution to (-3-9)-(8+7) is -27

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(-3-9)-(8+7)

(- 3 - 9) - (8 + 7)

- 27

Solution steps

(- 3 - 9) - (8 + 7)

Follow the PEMDAS order of operations

Calculate within parentheses

(- 3 - 9) : - 12

= - 12 - (8 + 7)

Calculate within parentheses

(8 + 7) : 15

= - 12 - 15

Add and subtract (left to right)

- 12 - 15 : - 27

= - 27

4 \cdot 2^{3}

4^{2} + 9

2 \times 3^{3}

3 (9 - 2) + 2 (5 - 1) (4 + 3) + 3 (6 - 4) (8 - 7)

3 \times 4^{3}