Respuesta :

Answer:

4

Step-by-step explanation:

Subtracting a negative number from a negative number – a minus sign followed by a negative sign, turns the two signs into a plus sign. So, instead of subtracting a negative, you are adding a positive. Basically, - (-4) becomes +4, and then you add the numbers. For example, say we have the problem -2 - –4.

Answer:

4

Step-by-step explanation:

-5-(-9)

when subtracting by a negative like : -(-9) it will cancel into it being + that number so -5 + 9 is 4

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