Respuesta :
Answer:
d = 12
Step-by-step explanation:
6d + 6 - 2d = 54
4d + 6 = 54
4d = 48
d = 12
Answer:
6(d+1) - 2d = 54
6d + 6 - 2d = 54
4d + 6 = 54
4d = 54 - 6
d = 48/4
d = 12
Answer:
d = 12
Step-by-step explanation:
6d + 6 - 2d = 54
4d + 6 = 54
4d = 48
d = 12
Answer:
6(d+1) - 2d = 54
6d + 6 - 2d = 54
4d + 6 = 54
4d = 54 - 6
d = 48/4
d = 12