Determine whether the point (1, 4) is a solution of the system

Question

6x + 9y = 42

5x + 0y = 5

by substituting the point into each equation

Answer 1

so, substitute it in. what do you get?
6*1 + 9*4 = 6+36 = 42
...

Answer 2

I don’t get how to solve it