Respuesta :
4x - 20 = 64
4x = 84
x = 21
FG = 4x - 6
FG = 4(21) - 6
FG = 4x - 6
FG = 84 - 6
FG = 78
answer
x = 21 and FG = 78
4x = 84
x = 21
FG = 4x - 6
FG = 4(21) - 6
FG = 4x - 6
FG = 84 - 6
FG = 78
answer
x = 21 and FG = 78