What is -8+3-1*9\div (-3) ?

The solution to -8+3-1*9\div (-3) is -2

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-8+3-1*9\div (-3)

- 8 + 3 - 1 \cdot 9 \div (- 3)

- 2

Solution steps

- 8 + 3 - 1 \cdot 9 \div (- 3)

Follow the PEMDAS order of operations

Multiply and divide (left to right)

1 \cdot 9 \div (- 3) : - 3

1 \cdot 9 \div (- 3)

1 \cdot 9 = 9

= 9 \div (- 3)

Apply rule

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

9 \div (- 3) = - 9 \div 3 = - 3

= - 3

= - 8 + 3 - (- 3)

Add and subtract (left to right)

- 8 + 3 - (- 3) : - 2

- 8 + 3 - (- 3)

- 8 + 3 = - 5

= - 5 - (- 3)

Apply rule

- (- a) = + a

- (- 3) = + 3

= - 5 + 3

- 5 + 3 = - 2

= - 2

= - 2

7 (3) + 2 (- 8)

(- 7)^{2} + 10 (- 7) + 21

8 - 6 \cdot 4 + 10 \div 2

3 - 2 - 6

8 \times 5 + 8