#### Answer

$(0,-8),(8,0),(5,-3)$

#### Work Step by Step

To find the missing value, we plug in the value that we are given into the given equation and solve.
$(0,?) \rightarrow 0-?=8 \\ ?=-8 \\ (0,-8)$
$(?,0) \\ ?-0=8 \\ ?=8 \\ (8,0)$
$(5,?) \\ 5-? = 8 \\ -? = 3 \\ ?=-3 \\ (5,-3)$