Question

Тендеулерди шеш а - 12=67-27 , 77-с=55-22 , 9+х =68-50

Answer 1

а-12-67+27=0. а= -28=0. а=28

77-с-55+22=0. -c-44=0. c= 44

9+х-68+50=0. х-9=0. х= -9