Предмет: Математика, автор: Roxlexa

17(с-2)-36=19+(с-2)12

Ответы

Автор ответа: guamokko666

17с-34-36=19+12с-24
17с-70=12с-5
17с-12с=-5+70
5с=65
С=13

Автор ответа: ksen04

17*(с-2)-36=19+(с-2)*12
17с-34-36=19+12с-24
17с-12с=34+36+19-24
5с=65
с=65/5
с=13
проверка:17*(13-2)-36=19+(13-2)*12
17*11-36=19+11*12
187-36 = 19+ 132
151=151
решено ВЕРНО!

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