What is 7+(4-5)-(-89) ?

The solution to 7+(4-5)-(-89) is 95

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7+(4-5)-(-89)

7 + (4 - 5) - (- 89)

95

Solution steps

7 + (4 - 5) - (- 89)

Follow the PEMDAS order of operations

Calculate within parentheses

(4 - 5) : - 1

4 - 5

4 - 5 = - 1

= - 1

= 7 - 1 - (- 89)

Add and subtract (left to right)

7 - 1 - (- 89) : 95

7 - 1 - (- 89)

7 - 1 = 6

= 6 - (- 89)

Apply rule

- (- a) = + a

- (- 89) = + 89

= 6 + 89

6 + 89 = 95

= 95

= 95

2 (- 2)^{2} - 3 (- 2) + 5

((2^{3}) 4)^{0}

2 (- 3)^{4}

2 (5) + 5

(- 4)^{3} \div 2^{3}