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Which statement is true?

The sum of 78 and 87 is zero.


The sum of 78 and −87 is zero.


The sum of 78 and 78 is zero.


The sum of 78 and −78 is zero.

Respuesta :

lucindah

Answer:

The sum of 78 and -78 is zero.

Step-by-step explanation:

I used a calculator ;)

zame

Answer:

The sum of 78 and -78 is zero. But also.. If you use a number line, & start at 78 and you subtract -78, you will move 78 to the left. Leaving you at zero.

Step-by-step explanation:

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