|3x + 7| + 5x
при х = - 6
|3 × ( - 6) + 7| + 5 ×( - 6) =
11 + ( - 30) = - 19
- 19
|-18+7|+(-30)=|-11|-30=-19
|3x + 7| + 5x
при х = - 6
|3 × ( - 6) + 7| + 5 ×( - 6) =
11 + ( - 30) = - 19
- 19
|-18+7|+(-30)=|-11|-30=-19