Question

РЕШИТЬ УРАВНЕНИЕ:39х+33х=432; 82z-57z=575; 2244/(111z-9z)=22.

Answer 1

39х+33х=432
72х=432
х=432:72
х=6

Answer 2

39х+33х=432
72х=432
х=432:72
х=6

82z-57z=575
25z=575
z=575:25
z=23

2244/(111z-9z)=22
2244/102z=22
2244/22=102z
z=102/102
z=1

z=