Составить уравнения по таблице

Решите задачу:

$7938 - 14 \times a = 35280 \div 360 \\ 7938 - 14a = 98 \\ 14a = 7938 - 98 = 7840 \\ a = 7840 \div 14 \\ a = 560$
$32x - 123 = 3013 \\ 32x = 3013 + 123 \\ 32x = 3136 \\ x = 3136 \div 32 \\ x = 98$
$210c - 900 = 12750 \\ 210c = 12750 + 900 = 13650 \\ c = 13650 \div 210 \\ c = 65$
$4860 - 62k = 2442 \\ 62k = 4860 - 2442 = 2418 \\ k = 2418 \div 62 \\ k = 39$
$91260 - 320b = 74620 \\ 320b = 91260 - 74620 = 16640 \\ b = 16640 \div 320 \\ b = 520$