Question

X×14+140=210 n hhhfvvhvnvn kb jvxhczbcxjvcmbcgxkhcozhfkhkznzhkzmhfhfhxlhxllnvljgx

Answer 1

Ответ:

х*14+140=210

14х+140=210

14х=210-140

14х=70

х=70:14

х=5

Ответ: х=5

проверка

5*14+140=210

70+140=210

210=210