What is -(4-9+3)+(11-8-7)+15 ?

The solution to -(4-9+3)+(11-8-7)+15 is 13

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-(4-9+3)+(11-8-7)+15

- (4 - 9 + 3) + (11 - 8 - 7) + 15

13

Solution steps

- (4 - 9 + 3) + (11 - 8 - 7) + 15

Follow the PEMDAS order of operations

Calculate within parentheses

(4 - 9 + 3) : - 2

= - (- 2) + (11 - 8 - 7) + 15

Calculate within parentheses

(11 - 8 - 7) : - 4

= - (- 2) - 4 + 15

Add and subtract (left to right)

- (- 2) - 4 + 15 : 13

= 13

2 (2)^{2} + 2 (2)

(- 5) \times (+ 4) \times (- 2) \times (+ 7)

3 \times (12 + 7) - (18 + 12)

- 18 - 12 - 24 - 6 (- 2)

27 + 87 \div 3 \times 2^{3}