Question

if x=3 and x+y=5 then the value of y is​

Answer 1

Answer:

$x + y = 5 \: \: \\ if \: x = 5 \: then \\ = 5 + y = 5 \\ = y = 5 - 5 \\ y = 0$

Answer 2

Answer:

x=3; x+y=5

3+y=5

y=5-3

y=2