29х - 11х=504 6х+25х=1674 Х+35х= 2808

Question

29х - 11х=504
6х+25х=1674
Х+35х= 2808

Answer 1

29х-11х=504
18х=504
х= 504:18
х=28

6х+25х=1674
31х=1674
х=1674:31
х=54

х+35=2808
36х=2808
х=2808:36
х=78