What is 86+[-26+(-18+7)-16]-47 ?

The solution to 86+[-26+(-18+7)-16]-47 is -14

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86+[-26+(-18+7)-16]-47

86 + [- 26 + (- 18 + 7) - 16] - 47

- 14

Solution steps

86 + [- 26 + (- 18 + 7) - 16] - 47

Follow the PEMDAS order of operations

Calculate within parentheses

[- 26 + (- 18 + 7) - 16] : - 53

- 26 + (- 18 + 7) - 16

Calculate within parentheses

(- 18 + 7) : - 11

- 18 + 7

- 18 + 7 = - 11

= - 11

= - 26 - 11 - 16

Add and subtract (left to right)

- 26 - 11 - 16 : - 53

- 26 - 11 - 16

- 26 - 11 = - 37

= - 37 - 16

- 37 - 16 = - 53

= - 53

= - 53

= 86 - 53 - 47

Add and subtract (left to right)

86 - 53 - 47 : - 14

86 - 53 - 47

86 - 53 = 33

= 33 - 47

33 - 47 = - 14

= - 14

= - 14

4 \times 4^{2} \times 4

(- 5 \div (- 1) + 3) \div (- 8)

3 \cdot 1 0^{2} + 4 \cdot 1 0^{2}

20 + 5 \times 5 \div 1

- (- 3)^{2} - 6 (- 3) + 7