What is -[11+42\div 7-(3*2-7)]-(-12-7) ?

The solution to -[11+42\div 7-(3*2-7)]-(-12-7) is 1

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-[11+42\div 7-(3*2-7)]-(-12-7)

- [11 + 42 \div 7 - (3 \cdot 2 - 7)] - (- 12 - 7)

1

Solution steps

- [11 + 42 \div 7 - (3 \cdot 2 - 7)] - (- 12 - 7)

Follow the PEMDAS order of operations

Calculate within parentheses

[11 + 42 \div 7 - (3 \cdot 2 - 7)] : 18

11 + 42 \div 7 - (3 \cdot 2 - 7)

Calculate within parentheses

(3 \cdot 2 - 7) : - 1

3 \cdot 2 - 7

Multiply and divide (left to right)

3 \cdot 2 : 6

3 \cdot 2

3 \cdot 2 = 6

= 6

= 6 - 7

Add and subtract (left to right)

6 - 7 : - 1

6 - 7

6 - 7 = - 1

= - 1

= - 1

= 11 + 42 \div 7 - (- 1)

Multiply and divide (left to right)

42 \div 7 : 6

42 \div 7

42 \div 7 = 6

= 6

= 11 + 6 - (- 1)

Add and subtract (left to right)

11 + 6 - (- 1) : 18

11 + 6 - (- 1)

11 + 6 = 17

= 17 - (- 1)

Apply rule

- (- a) = + a

- (- 1) = + 1

= 17 + 1

17 + 1 = 18

= 18

= 18

= - 18 - (- 12 - 7)

Calculate within parentheses

(- 12 - 7) : - 19

- 12 - 7

- 12 - 7 = - 19

= - 19

= - 18 - (- 19)

Add and subtract (left to right)

- 18 - (- 19) : 1

- 18 - (- 19)

Apply rule

- (- a) = + a

- (- 19) = + 19

= - 18 + 19

- 18 + 19 = 1

= 1

= 1

- 3 [4 \times (4 - 2)] \div (20 - 8 \times 2)

2 (2 + 3) (4 - 3)^{2} - 2 (5 - 3) (3 + 4)

2 (0)^{2} + 8 (0)

- \frac{13}{8} (- 2)^{3}

- 2 (2)^{2} + 8 (2) - 6

What is -[11+42\div 7-(3*2-7)]-(-12-7) ?
The solution to -[11+42\div 7-(3*2-7)]-(-12-7) is 1