Question

For which equation is x = 7 the solution?
9 x = 63
5 x = 40
7 x = 0
6 x = 36

Answer 1

Answer:

1. 9x = 63

Step-by-step explanation:

9x = 63

if x=7, then 9(7) = 63

9*7=63

63 = 63