Автор - deamorosZu

Помогите пожалуйста только номер 1214.
Даю 50 баллов​

Ответ

Автор - rosekim45

1-

y =  - 2.5x \  - 10 =  - 2.5x \  - 2 .5x =  - 10 \  times  =  - 10 div  - 2.5 \  times  = 4

2-

y = 1 frac{1}{2} x \ y = frac{3}{2}  times 4 \ y = 1.5 times 4 \ y = 6

3-

y = 3.5 \  - 3.5 = 3.5x \ 3.5x =  - 3.5  \ x = 1

4-

y =   -  3frac{5}{10} x \ y =  -  3frac{5}{10}  times 2 \ y =  - 3.5 times 2 \ y =  - 7

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