What is (-10)-7+(-8)-(-12) ?

The solution to (-10)-7+(-8)-(-12) is -13

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(-10)-7+(-8)-(-12)

(- 10) - 7 + (- 8) - (- 12)

- 13

Solution steps

(- 10) - 7 + (- 8) - (- 12)

Follow the PEMDAS order of operations

Add and subtract (left to right)

(- 10) - 7 = - 17

= - 17 + (- 8) - (- 12)

Apply rule

+ (- a) = - a

+ (- 8) = - 8

= - 17 - 8 - (- 12)

- 17 - 8 = - 25

= - 25 - (- 12)

Apply rule

- (- a) = + a

- (- 12) = + 12

= - 25 + 12

- 25 + 12 = - 13

= - 13

(- 9 \times 3) - (64 \div 8)

- 5 (5) - 5

- 26 + (- 34) + (- 81)

50 (7)^{2}

1 + \frac{2}{3} (- 1)