Предмет: Математика, автор: dgsudjhsa

Пожалуйста решите 4.6.7.8

Приложения:

Ответы

Автор ответа: Lquerty

Ответ:

Пошаговое объяснение:

-8x+9y-5x-10y сначала нужно решить уравнение

-13x-y ОТВЕТ:А)

6.-3m-4n-7m+n+mn m=0,3 n=-1/3

-10m-3n+mn

-10×0,3-3×(-1/3)+0,3×(-1/3)

-3+1-0,1=-2,1

6×(x+4)-(5x+2)=-1

6x+24-5x-2=-1

x+22=-1

x=--23

4-3x=6+x

-3x-x=6-4

-4x=2

X=-1/2

X=-0,5

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