What is 6-(5+2(4-7)) ?

The solution to 6-(5+2(4-7)) is 7

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6-(5+2(4-7))

6 - (5 + 2 (4 - 7))

7

Solution steps

6 - (5 + 2 (4 - 7))

Follow the PEMDAS order of operations

Calculate within parentheses

(5 + 2 (4 - 7)) : - 1

5 + 2 (4 - 7)

Calculate within parentheses

(4 - 7) : - 3

4 - 7

4 - 7 = - 3

= - 3

= 5 + 2 (- 3)

Multiply and divide (left to right)

2 (- 3) : - 6

2 (- 3)

Apply rule

a \cdot (- b) = - a \cdot b

2 (- 3) = - 2 \cdot 3 = - 6

= - 6

= 5 - 6

Add and subtract (left to right)

5 - 6 : - 1

5 - 6

5 - 6 = - 1

= - 1

= - 1

= 6 - (- 1)

Add and subtract (left to right)

6 - (- 1) : 7

6 - (- 1)

Apply rule

- (- a) = + a

- (- 1) = + 1

= 6 + 1

6 + 1 = 7

= 7

= 7

0.25

3^{2} + 5

\frac{12}{4} \cdot 3 + \frac{18}{9} \cdot 3 - 4 \cdot 3

1 0^{40} mod 210

\frac{360}{4}