What is -(7-4)-3-(-6-5-12)-9 ?

The solution to -(7-4)-3-(-6-5-12)-9 is 8

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-(7-4)-3-(-6-5-12)-9

- (7 - 4) - 3 - (- 6 - 5 - 12) - 9

8

Solution steps

- (7 - 4) - 3 - (- 6 - 5 - 12) - 9

Follow the PEMDAS order of operations

Calculate within parentheses

(7 - 4) : 3

= - 3 - 3 - (- 6 - 5 - 12) - 9

Calculate within parentheses

(- 6 - 5 - 12) : - 23

= - 3 - 3 - (- 23) - 9

Add and subtract (left to right)

- 3 - 3 - (- 23) - 9 : 8

= 8

- 2^{2} + 5 (- 2) + 1

\frac{5 ( 3 ) ^{2} - 1}{3 ^{2}}

2 \cdot 3 0^{2}

2 + \frac{6}{8} - \frac{2}{6}

(1)^{2} - 2 (1) + 6