What is 1+4-2-6+9-2*(-4) ?

The solution to 1+4-2-6+9-2*(-4) is 14

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1+4-2-6+9-2*(-4)

1 + 4 - 2 - 6 + 9 - 2 \cdot (- 4)

14

Solution steps

1 + 4 - 2 - 6 + 9 - 2 (- 4)

Follow the PEMDAS order of operations

Multiply and divide (left to right)

2 (- 4) : - 8

2 (- 4)

Apply rule

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

2 (- 4) = - 2 \cdot 4 = - 8

= - 8

= 1 + 4 - 2 - 6 + 9 - (- 8)

Add and subtract (left to right)

1 + 4 - 2 - 6 + 9 - (- 8) : 14

1 + 4 - 2 - 6 + 9 - (- 8)

1 + 4 = 5

= 5 - 2 - 6 + 9 - (- 8)

5 - 2 = 3

= 3 - 6 + 9 - (- 8)

3 - 6 = - 3

= - 3 + 9 - (- 8)

- 3 + 9 = 6

= 6 - (- 8)

Apply rule

- (- a) = + a

- (- 8) = + 8

= 6 + 8

6 + 8 = 14

= 14

= 14

(- 7) \times (+ 4) \div (- 2) + 15

4 (12)^{2}

- (- 2)^{2} + 6 (- 2) + 1

- 4 + {- 3 + [- 3 + 8 + (- 3 + (- 8))]}

(3 \div 4) \times 2