Respuesta :
Answer:
y = 6
x = 2
Step-by-step explanation:
y = 3x
y = x + 4
y = 3x
3x = x + 4
y = 3x
2x = 4
y = 3x
x = 2
y = 3(2)
x = 2
y = 6
x = 2
since both are equal to y they are equal to each other
3x = x + 4
2x = 4
x = 2
also
x = y/3
and
x = y - 4
so
y = 3 (y - 4) or 3y - 12
12 = 2y
y = 6
answers:
x = 2
y = 6