For addition, drag tiles onto the board.

Mathematics

1 answer:

Ainat [17]3 years ago

3 0

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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Step-by-step explanation:

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