6х+25х=1674
31х=1674
х=1674/31
х=54
х+35х=2808
36х=2808
х=2808/36
х=78
7x + 9x + 32 = 272
7x + 9x = 272 – 32
16x = 240
x = 15
5y + 7y – 24 = 204
5y + 7y = 204 + 24
12y = 228
y = 19
24x – 15x + 47 = 1919
24x – 15x = 1919 – 47
9x = 1872
x = 208
6х+25х=1674
31х=1674
х=1674/31
х=54
х+35х=2808
36х=2808
х=2808/36
х=78
7x + 9x + 32 = 272
7x + 9x = 272 – 32
16x = 240
x = 15
5y + 7y – 24 = 204
5y + 7y = 204 + 24
12y = 228
y = 19
24x – 15x + 47 = 1919
24x – 15x = 1919 – 47
9x = 1872
x = 208