Х:(27-19)=5 (39+15):х=9 42:6. х=63 (68-12):х=2

Question

Х:(27-19)=5 (39+15):х=9 42:6. х=63 (68-12):х=2

Answer 1

х:(27-19)=5
х:8=5
х=8*5
х=40

(39+15):х=9
54:х=9
х=54:9
х=6

42:6*х=63
7*х=63
х=63:7
х=9

(68-12):х=2
56:х=2
х=56:2
х=28