What is 15+{8+[3+(5-1)]+4} ?

The solution to 15+{8+[3+(5-1)]+4} is 34

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15+{8+[3+(5-1)]+4}

15 + {8 + [3 + (5 - 1)] + 4}

34

Solution steps

15 + {8 + [3 + (5 - 1)] + 4}

Follow the PEMDAS order of operations

Calculate within parentheses

{8 + [3 + (5 - 1)] + 4} : 19

8 + [3 + (5 - 1)] + 4

Calculate within parentheses

[3 + (5 - 1)] : 7

3 + (5 - 1)

Calculate within parentheses

(5 - 1) : 4

5 - 1

5 - 1 = 4

= 4

= 3 + 4

Add and subtract (left to right)

3 + 4 : 7

3 + 4

3 + 4 = 7

= 7

= 7

= 8 + 7 + 4

Add and subtract (left to right)

8 + 7 + 4 : 19

8 + 7 + 4

8 + 7 = 15

= 15 + 4

15 + 4 = 19

= 19

= 19

= 15 + 19

Add and subtract (left to right)

15 + 19 : 34

15 + 19

15 + 19 = 34

= 34

= 34

- 3 \times (- 1) + 5

- 76 + 15 - 7

50 \div (- 2) + 9

4 (- 6) - 1

(- 4) - (6) - (- 2) + (3) - (- 8)