Question

is y-4 and 4-y are equal?

Answer 1

nope

Answer 2

no. take an example : if y = 1,
y - 4 = 1 - 4 = -3
4 - y = 4 - 1 = 3

Answer 3

they're opposed

Answer 4

WHAT DO YOU MEAN?

Answer 5

herm... i can't really explain more... do you know numbers with a - before ?

Answer 6

negative numbers ?

Answer 7

YEAH

Answer 8

so, you see that -3 and 3 are differents ?

Answer 9

yah

Answer 10

ok thank you