Respuesta :

3x + 2 = y + 1
x + 3 = y

substitute x + 3 = y into 3x + 2 = y + 1

3x + 2 = y + 1
3x + 2 = x + 3 + 1
3x + 2 = x + 4
2x = 2
  x = 1

y = x + 3
y = 1 + 3
y = 4

answer
 x = 1 answer is second choice
 y = 4 answer is first choice