Question

Halle “x”
9 (13) 7
6 (6) 6
8 (4) x

Answer 1

Fila 1:

9(3) - 7(2) = 27 - 14 = 13

Fila 2:

6(3) - 6(2) = 18 - 12 = 6

Fila 3:

8(3) - x(2) = 4

24 – 2x = 4

20 = 2x

x = 10