What is (+28)-(-30)+(-50)+(+12)-(+20) ?

The solution to (+28)-(-30)+(-50)+(+12)-(+20) is 0

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(+28)-(-30)+(-50)+(+12)-(+20)

(+ 28) - (- 30) + (- 50) + (+ 12) - (+ 20)

0

Solution steps

(28) - (- 30) + (- 50) + (12) - (20)

Follow the PEMDAS order of operations

Add and subtract (left to right)

Apply rule

- (- a) = + a

- (- 30) = + 30

= (28) + 30 + (- 50) + (12) - (20)

(28) + 30 = 58

= 58 + (- 50) + (12) - (20)

Apply rule

+ (- a) = - a

+ (- 50) = - 50

= 58 - 50 + (12) - (20)

58 - 50 = 8

= 8 + (12) - (20)

8 + (12) = 20

= 20 - (20)

20 - (20) = 0

= 0

- 15 + (- 2)^{2} \times (- 2)^{3} + 8 - 9 \times (- 2)

- 6 \times (1 + (- 9))

1 \div 3 \times 1 \div 3

17 + (- 5) + (- 1)

1 \div 2 \times 7

What is (+28)-(-30)+(-50)+(+12)-(+20) ?
The solution to (+28)-(-30)+(-50)+(+12)-(+20) is 0