What is (-3)+3(-2\times 5)-(5) ?

The solution to (-3)+3(-2\times 5)-(5) is -38

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(-3)+3(-2\times 5)-(5)

(- 3) + 3 (- 2 \cdot 5) - (5)

- 38

Solution steps

(- 3) + 3 (- 2 \cdot 5) - (5)

Follow the PEMDAS order of operations

Calculate within parentheses

(- 2 \cdot 5) : - 10

- 2 \cdot 5

- 2 \cdot 5 = - 10

= - 10

= (- 3) + 3 (- 10) - (5)

Multiply and divide (left to right)

3 (- 10) : - 30

3 (- 10)

Apply rule

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

3 (- 10) = - 3 \cdot 10 = - 30

= - 30

= (- 3) - 30 - (5)

Add and subtract (left to right)

(- 3) - 30 - (5) : - 38

(- 3) - 30 - (5)

(- 3) - 30 = - 33

= - 33 - (5)

- 33 - (5) = - 38

= - 38

= - 38

2 5^{3} - 3 (25) (23) (2) - 2 3^{3}

10 + 4 \times 8

7 \times (2 \times (- 7)) \times (- 77)

20 (- 4 - 1) - 13 (- 8 + 2)

\frac{1}{5} \times (1 + 2 \frac{1}{3})