Question

(43-s)*17=289 подскажите решение
 

Answer 1

(43-с)*17=289

43-с=289:17

43-с=17

с=43-17

с=26

проверка

(43-17)*17=289

26*17=289

289=289

Answer 2

(43-s)*17=289

43-s=17

s=43-17

s=26