Помогите пж......!!!!
у = - 4х + m
- 10 = - 4 * 2 + m
-8 + m = - 10
m = 8 - 10
m = - 2
_______________________________
у = kx + 17
30 = k * (-3) + 17
-3k + 17 = 30
-3k = 30 - 17
-3k = 13
k = 13 : (-3)
k = - 4 1/3
___________________________________