Автор - KatyaKatyshka98

Решите уравнение 30-5(3х-1)=35х-25

Ответ

Автор - alexusov99

30+5(3х-1)=35х-25

30+15x-5=35x-25

15x-35x=-25-30+5

-20x=-50

x=2.5

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