Question

3(2х-5) -(1-4) = якщо х=-1, 4

Answer 1

ответ :3×(-7,8)+3=-20,4

Answer 2

3(2х-5) -(1-4)=6x-15+3=6x-12

Если x=-1,4, то 6х-12=-8.4-12=-20.4