What is -[12+9]-3-(5+7)-16 ?

The solution to -[12+9]-3-(5+7)-16 is -52

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-[12+9]-3-(5+7)-16

- [12 + 9] - 3 - (5 + 7) - 16

- 52

Solution steps

- [12 + 9] - 3 - (5 + 7) - 16

Follow the PEMDAS order of operations

Calculate within parentheses

[12 + 9] : 21

12 + 9

12 + 9 = 21

= 21

= - 21 - 3 - (5 + 7) - 16

Calculate within parentheses

(5 + 7) : 12

5 + 7

5 + 7 = 12

= 12

= - 21 - 3 - 12 - 16

Add and subtract (left to right)

- 21 - 3 - 12 - 16 : - 52

- 21 - 3 - 12 - 16

- 21 - 3 = - 24

= - 24 - 12 - 16

- 24 - 12 = - 36

= - 36 - 16

- 36 - 16 = - 52

= - 52

= - 52

\frac{4 - 6 ( 0 )}{5}

3 - (2 \div 5)

3 \times 7 - 4 \times 5^{0}

- 24 \div 7 \times 5

\frac{12}{12} \cdot (10 \cdot 2)