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

= - 18 - (- 12 - 7)

Calculate within parentheses

(- 12 - 7) : - 19

= - 18 - (- 19)

Add and subtract (left to right)

- 18 - (- 19) : 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