Answer:
1:1
Step-by-step explanation:
Since they are vertical they are equal to each other.
3x + 4 = 7x - 9
4 = 4x - 9
13 = 4x
3.25 = x
So the value of x is 3.25.
Hope this helps :)
I would probably say 46 but I’m not entirely sure
Answer: 12+8.2n
Step-by-step explanation: Your basically adding 12 to 8.2 times n.