-1.5 *( 1,4X - 3,5) = 0,5*( 2.3X - 9)
- 2.1X + 5.25 = 1.15X - 4,5
- 2.1 X - 1.15X = - 4.5 - 5.25
- 3.25X = - 9.75
X = + 3
ответ: Х = 3
-1.5 *( 1,4X - 3,5) = 0,5*( 2.3X - 9)
- 2.1X + 5.25 = 1.15X - 4,5
- 2.1 X - 1.15X = - 4.5 - 5.25
- 3.25X = - 9.75
X = + 3
ответ: Х = 3