Solve the Inequality Expression: ?:+39:+409<0

$?:+39:+409<0$

Let's pay attention to the exercise on the left side in terms of plus and minus signs.

The exercise looks like this:

$?:+:+=$

If we solve the equation from left to right, we can see that we first divide a number by a positive number:

$?:+=$

If we use a positive number, we'll get a positive number, and then in the next exercise, dividing a positive number by a positive number would result in a number greater than zero.

Therefore, we need to divide a negative number by a positive number in order to get a negative number.

Therefore:

$-:+=-$

$-:+=-$

$- < 0$

Therefore the answer is $-98$