Minus 19 plus 4 minus 9 equals?

－19＋4－=—24

How much is negative four plus positive four

-Is 8 / 4 / 9 * 4 / 9 equal to negative 8

It's not equal to - 8 - 8 / 4 / 9 * 4 / 9 = - 2 / 9 * 4 / 9 = - 8 / 81 = - 0.09876543. Please adopt it. Your adoption is my motivation. Thank you
Please accept

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