(56:7)*b=842-666 матем

Question

(56:7)*b=842-666 матем

Answer 1

Ответ::::::: b=176/8=22

Answer 2

(56:7)*b*842-666 8b*842-666 8b*176 b*176:8 b*22 ----8--176-------176---- (56:7)*22*842-666 176*176