[tex]\huge\boxed{\sf{Hello. :D}}[/tex]
The coefficient is a number before a variable.
Here, the coefficient is 9.
The like terms are any terms that have the same variable.
Here, 9k and -k are like terms, and 7 and 4 are like terms as well.
Combine like terms:
8k+3
The constants are: 7 and 4 (Constants are numbers in an expression or equation)
After combining like terms, the constant became
3
[tex]\huge\bold{Hope\;my\;answer\;is\;helpful!}[/tex]
[tex]\rm{StillEnjoyingLife :)[/tex]
