What is -[(15-10)-(-9+7)]-[(3-8)+5] ?

The solution to -[(15-10)-(-9+7)]-[(3-8)+5] is -7

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-[(15-10)-(-9+7)]-[(3-8)+5]

- [(15 - 10) - (- 9 + 7)] - [(3 - 8) + 5]

- 7

Solution steps

- [(15 - 10) - (- 9 + 7)] - [(3 - 8) + 5]

Follow the PEMDAS order of operations

Calculate within parentheses

[(15 - 10) - (- 9 + 7)] : 7

= - 7 - [(3 - 8) + 5]

Calculate within parentheses

[(3 - 8) + 5] : 0

= - 7 - 0

Add and subtract (left to right)

- 7 - 0 : - 7

= - 7

3 (5)^{2} - 6

\frac{1}{2} \cdot 3 \cdot 4^{2}

14 \times 2 - 4 - 6 \times 2 - 3

7 + (- 6) - 8

33 - 1 \times 0 + 48 \div 48

What is -[(15-10)-(-9+7)]-[(3-8)+5] ?
The solution to -[(15-10)-(-9+7)]-[(3-8)+5] is -7