Answer:
2k
Step-by-step explanation:
[tex] - k + 3k[/tex]
Add or subtract the numbers
[tex]2k[/tex]
[tex] \boxed{ \bold{ \huge{ \boxed{ \sf{ 2k}}}}}[/tex]
[tex] \sf{ - k + 3k}[/tex]
Collect like terms
⇒2k
Hope I helped!
Best regards! :D
