What is -12+(-15)-23+18-(-9)+(-15) ?

The solution to -12+(-15)-23+18-(-9)+(-15) is -38

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-12+(-15)-23+18-(-9)+(-15)

- 12 + (- 15) - 23 + 18 - (- 9) + (- 15)

- 38

Solution steps

- 12 + (- 15) - 23 + 18 - (- 9) + (- 15)

Follow the PEMDAS order of operations

Add and subtract (left to right)

Apply rule

+ (- a) = - a

+ (- 15) = - 15

= - 12 - 15 - 23 + 18 - (- 9) + (- 15)

- 12 - 15 = - 27

= - 27 - 23 + 18 - (- 9) + (- 15)

- 27 - 23 = - 50

= - 50 + 18 - (- 9) + (- 15)

- 50 + 18 = - 32

= - 32 - (- 9) + (- 15)

Apply rule

- (- a) = + a

- (- 9) = + 9

= - 32 + 9 + (- 15)

- 32 + 9 = - 23

= - 23 + (- 15)

Apply rule

+ (- a) = - a

+ (- 15) = - 15

= - 23 - 15

- 23 - 15 = - 38

= - 38

18 + (36 \div 9)

(6 - 8)^{2} (5 - 7)^{3}

7 - 5 \times 2 - 4^{1} - (- 4) + (3 + 5 \div 2)

- 13 + 46 + (- 17) + 8 + (+ 5)

1 + (1 - (- 1 - (- 1) - 1 + 1 + (- 1)))

What is -12+(-15)-23+18-(-9)+(-15) ?
The solution to -12+(-15)-23+18-(-9)+(-15) is -38