Respuesta :
Answer: 4
Step-by-step explanation:
3x - 12y - 9 = 9x + (x + 4y - 3)
3x + 12y = 9
x + __ y = 3
Divide the first equation by 3 to get the second equation:
3x /3 = x
9/3 = 3
12y /3 = 4y
The answer would be D. 4
Answer: 4
Step-by-step explanation:
3x - 12y - 9 = 9x + (x + 4y - 3)
3x + 12y = 9
x + __ y = 3
Divide the first equation by 3 to get the second equation:
3x /3 = x
9/3 = 3
12y /3 = 4y
The answer would be D. 4