What is 12-[12\div (-4)]*(-1)*5\div (-3)+15 ?

The solution to 12-[12\div (-4)]*(-1)*5\div (-3)+15 is 32

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12-[12\div (-4)](-1)5\div (-3)+15

12 - [12 \div (- 4)] \cdot (- 1) \cdot 5 \div (- 3) + 15

32

Solution steps

12 - [12 \div (- 4)] (- 1) \cdot 5 \div (- 3) + 15

Follow the PEMDAS order of operations

Calculate within parentheses

[12 \div (- 4)] : - 3

12 \div (- 4)

Apply rule

a \div (- b) = - a \div b

12 \div (- 4) = - 12 \div 4 = - 3

= - 3

= 12 - (- 3) (- 1) \cdot 5 \div (- 3) + 15

Multiply and divide (left to right)

(- 3) (- 1) \cdot 5 \div (- 3) : - 5

(- 3) (- 1) \cdot 5 \div (- 3)

Apply rule

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

(- 3) (- 1) = 3 \cdot 1 = 3

= 3 \cdot 5 \div (- 3)

3 \cdot 5 = 15

= 15 \div (- 3)

Apply rule

a \div (- b) = - a \div b

15 \div (- 3) = - 15 \div 3 = - 5

= - 5

= 12 - (- 5) + 15

Add and subtract (left to right)

12 - (- 5) + 15 : 32

12 - (- 5) + 15

Apply rule

- (- a) = + a

- (- 5) = + 5

= 12 + 5 + 15

12 + 5 = 17

= 17 + 15

17 + 15 = 32

= 32

= 32

\frac{7}{9} \div (\frac{1}{6} + \frac{2}{9})

\frac{5}{2} - 2 + \frac{1}{10}

12 - [9 + (\frac{7}{6} - \frac{5}{4}) - (\frac{1}{2} \times \frac{3}{4})]

7 + 2^{3}

500 + 6 (3 + 1) + (8 - 5) 3 - 2 (5 + 4)

What is 12-[12\div (-4)]*(-1)*5\div (-3)+15 ?
The solution to 12-[12\div (-4)]*(-1)*5\div (-3)+15 is 32