Question

The sum of two integers is -12 if one of them is -20 find the other integer.

Answer 1

Answer:

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Let the other integer be x

Given

x + (- 20) = - 12

x - 20 = - 12

x = - 12 + 20

x = 8

Answer 2

Answer:

Let the first integer x

x + (-20) = -12

x - 20 = -12 ( + - = - )

x = -12 + 20 ( when we shift any no. to the other side it's sign changes )

x = 8