Предмет: Математика, автор: vivaldy123777

решите уравнение 5(x-3)=x+1
дам 20 б

Ответы

Автор ответа: Аноним

0

5( х - 3 ) = х + 1
5х - 15 = х + 1
5х - х = 1 + 15
4х = 16
х = 16 : 4
х = 4

Автор ответа: babupshka

0

5х(Х - 3) = Х +1
5Х - 15 =Х +1
5Х -Х= 1 +15
4Х =16
Х = 4
проверяем: 5х( 4 - 3) = 4 +1
5 = 5

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