Question

some number added to -13 is 15​

Answer 1

Answer:

Let that number be x

-13 + x = 15

x = 15 + 13

x = 28

Hence the number is 28

Answer 2

Answer:

Let the number be x.

x+ (-13)= 15

x- 13= 15

x= 15+ 13

x= 28

The number is 28.

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