What is 6+(-7)-(-15)-(-6)-30 ?

The solution to 6+(-7)-(-15)-(-6)-30 is -10

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6+(-7)-(-15)-(-6)-30

6 + (- 7) - (- 15) - (- 6) - 30

- 10

Solution steps

6 + (- 7) - (- 15) - (- 6) - 30

Follow the PEMDAS order of operations

Add and subtract (left to right)

Apply rule

+ (- a) = - a

+ (- 7) = - 7

= 6 - 7 - (- 15) - (- 6) - 30

6 - 7 = - 1

= - 1 - (- 15) - (- 6) - 30

Apply rule

- (- a) = + a

- (- 15) = + 15

= - 1 + 15 - (- 6) - 30

- 1 + 15 = 14

= 14 - (- 6) - 30

Apply rule

- (- a) = + a

- (- 6) = + 6

= 14 + 6 - 30

14 + 6 = 20

= 20 - 30

20 - 30 = - 10

= - 10

(- 17) + (+ 5) - (+ 20)

3 (0)^{2} - 2 (0) - 1

2 + 2^{2} + 2^{3} + 2^{4} + 2^{5}

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

100 \cdot (10 - 2 \cdot 5)