x = 6/7
y = 16/7
Объяснение:
5х - у = 2
4х + 2у = 8
y = 5x - 2
4x + 2 (5x - 2) = 8
4x + 10x - 4 = 8
14x = 12
x = 6/7
y = 16/7
Объяснение:
5х - у = 2
4х + 2у = 8
y = 5x - 2
4x + 2 (5x - 2) = 8
4x + 10x - 4 = 8
14x = 12
x = 6/7
y = 5x - 2
y = 16/7