Question

41 + x = 26 + y then what y - x =?

Answer 1

41 + x = 26 + y
x=26+y-41
x=y-15

41 + x = 26 + y
y+26=41+x
y=41+x-26
y=x+15

so y-x =

x+15 - y-15 =

x-y