What is 80-2[12-(5+4)] ?

The solution to 80-2[12-(5+4)] is 74

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80-2[12-(5+4)]

80 - 2 [12 - (5 + 4)]

74

Solution steps

80 - 2 [12 - (5 + 4)]

Follow the PEMDAS order of operations

Calculate within parentheses

[12 - (5 + 4)] : 3

12 - (5 + 4)

Calculate within parentheses

(5 + 4) : 9

5 + 4

5 + 4 = 9

= 9

= 12 - 9

Add and subtract (left to right)

12 - 9 : 3

12 - 9

12 - 9 = 3

= 3

= 3

= 80 - 2 \cdot 3

Multiply and divide (left to right)

2 \cdot 3 : 6

2 \cdot 3

2 \cdot 3 = 6

= 6

= 80 - 6

Add and subtract (left to right)

80 - 6 : 74

80 - 6

80 - 6 = 74

= 74

= 74

- 1 \frac{1}{4} + \frac{3}{4} + (- 1)

8^{2} + 1

8^{2} + 4

\frac{( 11 \cdot 16 ) ^{4}}{2 ^{24}}

6 \times 3 - 4 (5) (6)