Question

помогите !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

Ответ:

$220 \times x + 460 = 6300 \div 7 \\ 220x + 460 = 6300 \div 7 \\ 220 x+ 460 = 900 \\ 220x = 900 - 460 \\ 220x = 440 \\ x = 2$