Question

х/(27-19)=5
(39+15)/х=9
42/6*6=63
(68-12)/х=2

Answer 1

х/(27-19)=5
х/8=5
х=5*8
х=40

(39+15)/х=9
54/х=9
х=54/9
х=6

(68-12)/х=2
56/х=2
х=56/2
х=28