Question

Система уравниний:
x+3/5 - y =5
x-3/2 + 2y = -4 

Answer 1

Х = 5 - 35 + Y = 4 25 + Y = 4.4 + Y
4.4 + Y - 1.5 + 2Y = - 4
3Y = - 4 - 4.4 + 1.5
3Y = - 6.9
Y = ( - 2.3 )
X = 4.4 - 2.3 = 2.1
Ответ Х = 2.1   Y = ( - 2.3 )