Respuesta :

Answer:


Step-by-step explanation:


x + 4 = 2x + 1 -x -x 4 = 1x + 1 -1 -1 3 = 1x -- -- 1 1 3 = x



Check: 3 + 4 = 2(3) + 1 7 = 6 + 1 7 = 7