Respuesta :
So the test grade is the variable: X.
X / 2 + 27 = 67
67 - 27 = x/2 (67-27 = 20).
x/2 = 20
20*2 = x (20*2 = 40)
x = 40.
X / 2 + 27 = 67
67 - 27 = x/2 (67-27 = 20).
x/2 = 20
20*2 = x (20*2 = 40)
x = 40.