unknown30069jdjdj unknown30069jdjdj
  • 16-01-2021
  • Mathematics
contestada

For addition, drag tiles onto the board.
To form a group, place one tile on top of another.
What is the sum of -2 and -7?
Board sum: 0
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Respuesta :

lawalj99 lawalj99
  • 21-01-2021

Answer:

-9

Step-by-step explanation:

The sum of -2 and -7 is given as follows;

-2 + (-7)

In mathematical operations, +  *  - is -.

So we have;

-2 - 7

This gives us: -9

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