Question

Tìm x:

x x 5 = 35     x : 9 = 4     x x 3 = 18

Answer 1

x x 5 = 35    x : 9 = 4     x x 3 = 18

x = 35 : 5    x = 4 x 9     x = 18 : 3

x = 7    x = 36    x = 6.