What is (-20+36)-(-9) ?

The solution to (-20+36)-(-9) is 25

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(-20+36)-(-9)

(- 20 + 36) - (- 9)

25

Solution steps

(- 20 + 36) - (- 9)

Follow the PEMDAS order of operations

Calculate within parentheses

(- 20 + 36) : 16

- 20 + 36

- 20 + 36 = 16

= 16

= 16 - (- 9)

Add and subtract (left to right)

16 - (- 9) : 25

16 - (- 9)

Apply rule

- (- a) = + a

- (- 9) = + 9

= 16 + 9

16 + 9 = 25

= 25

= 25

(\frac{3}{5} + \frac{1}{10}) \div \frac{7}{2}

- 3 (- 5)^{2}

- 0^{2} - 7

180 \div 360 \times 4^{2}

4 (8 - 6) + 5