Question

PLSSS hurry answer both correctly for brainliest

Answer 1

Answer:

18.) (-5,3)

$x=-5\\y=3$

19.) I can see that 5 and 13 can go into the equations below by substitution. Using mental math with the 5 and 13, I'm able to determine that these number will fit in. So it makes sense for these to be the x and y value(s).