1) 5(x-1)+7

Question

1) 5(x-1)+7<1-3x+3=

Answer 1

5(x-1)+7<1-3x+3</strong>

5x -5 + 7 < 1 - 3x + 3

5x + 3x < 1 + 3 + 5 - 7

8x < 2

x < 0.25

Ответ: x∈(-∞;0.25)