Answer:
x=-9
Step-by-step explanation:
You first multiple 2 and 25 and 2 and 2x. Then the next line should be -9-3x>50+4x+4. After that you add 50 and
Given:
The mean age of 5 people in a room is 26 years.
A person enters the room. The mean age is now 33.
To find:
The age of the person who entered the room.
Solution:
Formula for mean:

The mean age of 5 people in a room is 26 years.



The mean age is now 33. It means, the mean age of 6 people is 33.



Now, the age of the person who entered the room is
Required age = Sum of ages of 6 people - Sum of ages of 5 people
= 
= 
Therefore, the age of the person who entered the room is 68 years.
Answer:
idk sorry
Step-by-step explanation:
Answer:
B = -13
Step-by-step explanation:
Add 13 to both sides
- 13 = b