x - 2.8 = -1.64x = -1.64 + 2.8x = 1.16
5/12 + y = -5 3/20y = -5 3/20 - 5/12y = -125/20 - 15/20y = -140/20y = -7
Ответ: x = 1.16, y = -7
x - 2.8 = -1.64
x = -1.64 + 2.8
x = 1.16
5/12 + y = -5 3/20
y = -5 3/20 - 5/12
y = -125/20 - 15/20
y = -140/20
y = -7
Ответ: x = 1.16, y = -7