What is -30+8-(-5)+1-5-(-3)+(-7) ?

The solution to -30+8-(-5)+1-5-(-3)+(-7) is -25

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-30+8-(-5)+1-5-(-3)+(-7)

- 30 + 8 - (- 5) + 1 - 5 - (- 3) + (- 7)

- 25

Solution steps

- 30 + 8 - (- 5) + 1 - 5 - (- 3) + (- 7)

Follow the PEMDAS order of operations

Add and subtract (left to right)

- 30 + 8 = - 22

= - 22 - (- 5) + 1 - 5 - (- 3) + (- 7)

Apply rule

- (- a) = + a

- (- 5) = + 5

= - 22 + 5 + 1 - 5 - (- 3) + (- 7)

- 22 + 5 = - 17

= - 17 + 1 - 5 - (- 3) + (- 7)

- 17 + 1 = - 16

= - 16 - 5 - (- 3) + (- 7)

- 16 - 5 = - 21

= - 21 - (- 3) + (- 7)

Apply rule

- (- a) = + a

- (- 3) = + 3

= - 21 + 3 + (- 7)

- 21 + 3 = - 18

= - 18 + (- 7)

Apply rule

+ (- a) = - a

+ (- 7) = - 7

= - 18 - 7

- 18 - 7 = - 25

= - 25

5 - 52 - 8 + 20

- 4 (3)^{2} - 3

6 \cdot 2^{2}

7 + 8 \times 9

- 15 (- 7 + 7)

What is -30+8-(-5)+1-5-(-3)+(-7) ?
The solution to -30+8-(-5)+1-5-(-3)+(-7) is -25