Answer:
In linear expresiion 3 is the coefficient
X will be the variable and -15 will be the constant term.
Nadia = 3x than Jim
Paul = 25+ than Nadia
Jim = ?
Nadia and Paul = 85
85-25 = 60
(Subtract Nadia's and Paul's stickers all together with the stickers that Paul have more so both of the stickers are balance)
Nadia = 60/2 =30
Paul = 30+25 =55
Jim= 30/3=10
#Jim have 10 stickers
Given :
A one-year membership to a gym costs $725.
The registration fee is $125.
To Find :
How much new members pay each month.
Solution :
Remaining fee = Total fee - Registration fee
R = $( 725 - 125 )
R = $600
Amount of fee paid monthly is :

Therefore, monthly fee is $50.
Hence, this is the required solution.
62=14 + 2x
62-14=2x
48=2x
48/2=x
24 answer: 24
hope this helped