Answer:
x = 3
Step-by-step explanation:
9x - 5 = 22
Add 5 to both sides
9x = 27
Divide both sides by 9
x = 3
Answer:
The Jesse swim fastest
Step-by-step explanation:
Given as :
The distance cover by Elizabeth while swimming = 50 feet
The time taken by Elizabeth = 10 sec
So, Speed of Elizabeth = 
∴ Speed of Elizabeth =
= 5 feet per sec
Again ,
The distance cover by Jesse while swimming = 110 feet
The time taken by Jesse = 20 sec
So, Speed of Jesse = 
∴ Speed of Jesse =
= 5.5 feet per sec
Again ,
The distance cover by Reagan while swimming = 160 feet
The time taken by Reagan = 30 sec
So, Speed of Reagan = 
∴ Speed of Reagan =
= 5.3 feet per sec
So, 
Hence The Jesse swim fastest Answer
I think it's 2x + 2 + 5x - 1 = 7x +12