Question

what is another solution of the equation x+7=y

Answer 1

Here are some solutions: (there are actually an infinite amount of them)

x = 0 ,  y = 7

x = 1  ,  y = 8

x = 2 ,  y = 9

x = 3 ,  y = 10

x = 4 ,  y = 11

x = 42 ,  y = 49

x = pi ,  y = pi + 7