What is (-3+6)-4-(-2)+12 ?

The solution to (-3+6)-4-(-2)+12 is 13

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(-3+6)-4-(-2)+12

(- 3 + 6) - 4 - (- 2) + 12

13

Solution steps

(- 3 + 6) - 4 - (- 2) + 12

Follow the PEMDAS order of operations

Calculate within parentheses

(- 3 + 6) : 3

- 3 + 6

- 3 + 6 = 3

= 3

= 3 - 4 - (- 2) + 12

Add and subtract (left to right)

3 - 4 - (- 2) + 12 : 13

3 - 4 - (- 2) + 12

3 - 4 = - 1

= - 1 - (- 2) + 12

Apply rule

- (- a) = + a

- (- 2) = + 2

= - 1 + 2 + 12

- 1 + 2 = 1

= 1 + 12

1 + 12 = 13

= 13

= 13

6320 - 1320 - 800

8^{2} - 2^{2} \cdot 3^{2} + 9

(1)^{2} + 4 (1) - 5

(1)^{2} + 4 (1) - 3

13 - 3 [8 + (4 - 9)]