What is [45-40\div (-15+7)]\times 20 ?

The solution to [45-40\div (-15+7)]\times 20 is 1000

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[45-40\div (-15+7)]\times 20

[45 - 40 \div (- 15 + 7)] \times 20

1000

Solution steps

[45 - 40 \div (- 15 + 7)] \times 20

Follow the PEMDAS order of operations

Calculate within parentheses

[45 - 40 \div (- 15 + 7)] : 50

45 - 40 \div (- 15 + 7)

Calculate within parentheses

(- 15 + 7) : - 8

- 15 + 7

- 15 + 7 = - 8

= - 8

= 45 - 40 \div (- 8)

Multiply and divide (left to right)

40 \div (- 8) : - 5

40 \div (- 8)

Apply rule

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

40 \div (- 8) = - 40 \div 8 = - 5

= - 5

= 45 - (- 5)

Add and subtract (left to right)

45 - (- 5) : 50

45 - (- 5)

Apply rule

- (- a) = + a

- (- 5) = + 5

= 45 + 5

45 + 5 = 50

= 50

= 50

= 50 \times 20

Multiply and divide (left to right)

50 \times 20 : 1000

50 \times 20

50 \times 20 = 1000

= 1000

= 1000

(- 1)^{3} - (- 1)

(26 - 15)^{2} - (15 - 7 - 5)^{3}

5 - 7 (- 3 - 5)

4^{3} \div 32 + 1 3^{0}

(+ 2550 + 540) + (180 - 250) - (500)

What is [45-40\div (-15+7)]\times 20 ?
The solution to [45-40\div (-15+7)]\times 20 is 1000