а) x - 2.8 = -1.x = -1.6 + 2.x = 1.2
б) 4 + 5/12 + y = -5 - 3/24 + 5/12 + y = -5 - 3/24 + 5/12 + y = -5 - 3/24 + 5/12 + y = -100/20 - 3/24 + 5/12 + y = -103/2y = -103/20 - 4 - 5/1y = -103/20 - 80/20 - 10/2y = -193/20 - 10/2y = -203/20
Ответ: а) x = 1.2, б) y = -203/20
а) x - 2.8 = -1.
x = -1.6 + 2.
x = 1.2
б) 4 + 5/12 + y = -5 - 3/2
4 + 5/12 + y = -5 - 3/2
4 + 5/12 + y = -5 - 3/2
4 + 5/12 + y = -100/20 - 3/2
4 + 5/12 + y = -103/2
y = -103/20 - 4 - 5/1
y = -103/20 - 80/20 - 10/2
y = -193/20 - 10/2
y = -203/20
Ответ: а) x = 1.2, б) y = -203/20