What is 12-(-3-6)-4 ?

The solution to 12-(-3-6)-4 is 17

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12-(-3-6)-4

12 - (- 3 - 6) - 4

17

Solution steps

12 - (- 3 - 6) - 4

Follow the PEMDAS order of operations

Calculate within parentheses

(- 3 - 6) : - 9

- 3 - 6

- 3 - 6 = - 9

= - 9

= 12 - (- 9) - 4

Add and subtract (left to right)

12 - (- 9) - 4 : 17

12 - (- 9) - 4

Apply rule

- (- a) = + a

- (- 9) = + 9

= 12 + 9 - 4

12 + 9 = 21

= 21 - 4

21 - 4 = 17

= 17

= 17

(- 7) - 8 - (- 25)

2^{2} + (6 - 2 \times 3)

1 0^{2} + 1 5^{2}

1 8^{2} - 1 2^{2}

7 - 5 (4 - 6)