What is -2+(5-3)-[7(5-2)-15-21\div 3] ?

The solution to -2+(5-3)-[7(5-2)-15-21\div 3] is 1

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-2+(5-3)-[7(5-2)-15-21\div 3]

- 2 + (5 - 3) - [7 (5 - 2) - 15 - 21 \div 3]

1

Solution steps

- 2 + (5 - 3) - [7 (5 - 2) - 15 - 21 \div 3]

Follow the PEMDAS order of operations

Calculate within parentheses

(5 - 3) : 2

= - 2 + 2 - [7 (5 - 2) - 15 - 21 \div 3]

Calculate within parentheses

[7 (5 - 2) - 15 - 21 \div 3] : - 1

= - 2 + 2 - (- 1)

Add and subtract (left to right)

- 2 + 2 - (- 1) : 1

= 1

21 \div 3 + 4^{3} - 5^{2} - 1 2^{0}

1 1^{2} - 6^{2}

- 2 \cdot (- 2) \cdot (- 2) \cdot (- 2)

(63 + 32) 3^{2}

6 \times (4 + 4) \times 2

What is -2+(5-3)-[7(5-2)-15-21\div 3] ?
The solution to -2+(5-3)-[7(5-2)-15-21\div 3] is 1