Автор - egor72943

решите уравнение=a) -3(x+3)=-12..........b)0,02x+1,38=-0,02.............B)5/x=-3/4

Ответ

Автор - loggitek

a) - 3x - 9 =  - 12 \  - 3x =   - 3 \ x = 1

b)0.02x =  - 1.4 \ x =  - 70

c)5 div x =  - 0.75 \ x = 5 div ( - 0.75) \ x  =  - 6 frac{2}{3}

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