1)13x+4x=408
17x=408
x=408/17
х=24
2)47x-15x=2144
32x=2144
x=2144/32
х=67
3)a+23a=1032
24a=1032
a=1032/24
а=43
4)16x-x+14=299
16x – x = 299 – 14
15x = 285
x = 19
5)7b+6b-29=374
7b + 6b = 374 + 29
13b = 403
b = 31
6)19y-12y-47=1388
19y – 12y = 1388 + 47
7y = 1435
y = 205
1)13x+4x=408
17x=408
x=408/17
х=24
2)47x-15x=2144
32x=2144
x=2144/32
х=67
3)a+23a=1032
24a=1032
a=1032/24
а=43
4)16x-x+14=299
16x – x = 299 – 14
15x = 285
x = 19
5)7b+6b-29=374
7b + 6b = 374 + 29
13b = 403
b = 31
6)19y-12y-47=1388
19y – 12y = 1388 + 47
7y = 1435
y = 205