What is 12(15-2(10-30)) ?

The solution to 12(15-2(10-30)) is 660

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12(15-2(10-30))

12 (15 - 2 (10 - 30))

660

Solution steps

12 (15 - 2 (10 - 30))

Follow the PEMDAS order of operations

Calculate within parentheses

(15 - 2 (10 - 30)) : 55

15 - 2 (10 - 30)

Calculate within parentheses

(10 - 30) : - 20

10 - 30

10 - 30 = - 20

= - 20

= 15 - 2 (- 20)

Multiply and divide (left to right)

2 (- 20) : - 40

2 (- 20)

Apply rule

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

2 (- 20) = - 2 \cdot 20 = - 40

= - 40

= 15 - (- 40)

Add and subtract (left to right)

15 - (- 40) : 55

15 - (- 40)

Apply rule

- (- a) = + a

- (- 40) = + 40

= 15 + 40

15 + 40 = 55

= 55

= 55

= 12 \cdot 55

Multiply and divide (left to right)

12 \cdot 55 : 660

12 \cdot 55

12 \cdot 55 = 660

= 660

= 660

\frac{4}{3} + 20 - (\frac{1}{2} \times (- 4))

4 (12 - 6) \div 3

5/6 - 4/3 - 2/4

(2 + 7 - 1) \div 2^{2}

3 (4 - 5) + 4 (5 - 1) - 3 (1 + 2) (2) + 2 (3) (3)