Question

[10 + (-13) + _______________ = 10 +[ (-13 ) + (-7)] ​

Answer 1

Answer:

-7.

Step-by-step explanation:

[10 + (-13)] + (-7) = 10 + [(-13) + (-7)]

=) [10 - 13] - 7 = 10 + [-13 - 7]

=) -3 -7 = 10 + (-20)

=) -10 = 10 - 20

=) -10 = -10.

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