What is 6-[(-3)+(-7)]-[(-1)-(-5)-(-8)] ?

The solution to 6-[(-3)+(-7)]-[(-1)-(-5)-(-8)] is 4

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6-[(-3)+(-7)]-[(-1)-(-5)-(-8)]

6 - [(- 3) + (- 7)] - [(- 1) - (- 5) - (- 8)]

4

Solution steps

6 - [(- 3) + (- 7)] - [(- 1) - (- 5) - (- 8)]

Follow the PEMDAS order of operations

Calculate within parentheses

[(- 3) + (- 7)] : - 10

(- 3) + (- 7)

Add and subtract (left to right)

Apply rule

+ (- a) = - a

+ (- 7) = - 7

= (- 3) - 7

(- 3) - 7 = - 10

= - 10

= 6 - (- 10) - [(- 1) - (- 5) - (- 8)]

Calculate within parentheses

[(- 1) - (- 5) - (- 8)] : 12

(- 1) - (- 5) - (- 8)

Add and subtract (left to right)

Apply rule

- (- a) = + a

- (- 5) = + 5

= (- 1) + 5 - (- 8)

(- 1) + 5 = 4

= 4 - (- 8)

Apply rule

- (- a) = + a

- (- 8) = + 8

= 4 + 8

4 + 8 = 12

= 12

= 6 - (- 10) - 12

Add and subtract (left to right)

6 - (- 10) - 12 : 4

6 - (- 10) - 12

Apply rule

- (- a) = + a

- (- 10) = + 10

= 6 + 10 - 12

6 + 10 = 16

= 16 - 12

16 - 12 = 4

= 4

= 4

(10) (3) - 4

8 + 6 - 4 - 2

6 \div 2 (1 - 2)

3^{2} - 7 (3) - 4

- 2 (2) + 4

What is 6-[(-3)+(-7)]-[(-1)-(-5)-(-8)] ?
The solution to 6-[(-3)+(-7)]-[(-1)-(-5)-(-8)] is 4