What is 7-(-19)-18+(-19)+18 ?

The solution to 7-(-19)-18+(-19)+18 is 7

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7-(-19)-18+(-19)+18

7 - (- 19) - 18 + (- 19) + 18

7

Solution steps

7 - (- 19) - 18 + (- 19) + 18

Follow the PEMDAS order of operations

Add and subtract (left to right)

Apply rule

- (- a) = + a

- (- 19) = + 19

= 7 + 19 - 18 + (- 19) + 18

7 + 19 = 26

= 26 - 18 + (- 19) + 18

26 - 18 = 8

= 8 + (- 19) + 18

Apply rule

+ (- a) = - a

+ (- 19) = - 19

= 8 - 19 + 18

8 - 19 = - 11

= - 11 + 18

- 11 + 18 = 7

= 7

2^{2}

16 = 8 (x + 9)

6 x^{2} - 18 x - 24

(\frac{Y ^{3}}{Y ^{2}})^{- 1}

8 x^{2} + 32 x + 34 = 0