Respuesta :
Step-by-step explanation:
the numbers : x, y
x - y = 8
2y = x + 4
2y - 4 = x
we use the last equation in the first :
2y - 4 - y = 8
y - 4 = 8
y = 12
x = 2y - 4 = 2×12 - 4 = 24 - 4 = 20
the smaller number is 12.
Step-by-step explanation:
the numbers : x, y
x - y = 8
2y = x + 4
2y - 4 = x
we use the last equation in the first :
2y - 4 - y = 8
y - 4 = 8
y = 12
x = 2y - 4 = 2×12 - 4 = 24 - 4 = 20
the smaller number is 12.