Question

anybody can remember how to do this?

find the value of the unknown variables.
x+y=24
y+z=26
x+z=28

i badly need. .

Answer 1

@lgbasallote

Answer 2

x = 24 - y

24 - y + z = 28
-y + z = 4

use that with the second equation

y + z = 26
-y + z = 4
2z = 30
z = 15

got that?

Answer 3

does it has the same process in finding the other variables?