Answer:
[tex] \boxed{ \bold{ \huge{ \boxed{ \sf{4x - 2y}}}}}[/tex]
Step-by-step explanation:
[tex] \sf{5x + 2y + 2x - 4y - 3x}[/tex]
Like terms are those which have the same base.
Combine the like terms and simplify
[tex] \dashrightarrow{ \sf{5x + 2x - 3x + 2y - 4y}}[/tex]
[tex] \dashrightarrow{ \sf{4x - 2y}}[/tex]
Hope I helped!
Best regards! :D
