Answer
$(-2,0),(1,-3),(-7,5)$
Work Step by Step
To find the missing value, we plug in the value that we are given into the given equation and solve.
$(-2,?)\\-2+?=-2\\?=0\\(-2,0)$
$(1,?)\\1+?=-2\\?=-3\\(1,-3)$
$(?,5)\\?+5=-2\\?=-7\\(-7,5)$