What is (-2)-(-4)-(+7)-(-2)+(-12) ?

The solution to (-2)-(-4)-(+7)-(-2)+(-12) is -15

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(-2)-(-4)-(+7)-(-2)+(-12)

(- 2) - (- 4) - (+ 7) - (- 2) + (- 12)

- 15

Solution steps

(- 2) - (- 4) - (7) - (- 2) + (- 12)

Follow the PEMDAS order of operations

Add and subtract (left to right)

Apply rule

- (- a) = + a

- (- 4) = + 4

= (- 2) + 4 - (7) - (- 2) + (- 12)

(- 2) + 4 = 2

= 2 - (7) - (- 2) + (- 12)

2 - (7) = - 5

= - 5 - (- 2) + (- 12)

Apply rule

- (- a) = + a

- (- 2) = + 2

= - 5 + 2 + (- 12)

- 5 + 2 = - 3

= - 3 + (- 12)

Apply rule

+ (- a) = - a

+ (- 12) = - 12

= - 3 - 12

- 3 - 12 = - 15

= - 15

- 8 (+ 2 - 3 - 4)

- 12 + 3 (- 3) - (- 12)

- 8 + \frac{11}{3} - \frac{15}{2} + 6

2 0^{2} + 4 0^{2}

3 \div 30 - 5 (- 4 - (- 12)) + 17

What is (-2)-(-4)-(+7)-(-2)+(-12) ?
The solution to (-2)-(-4)-(+7)-(-2)+(-12) is -15