Answer:
[tex]x > 7, 6[/tex]
Step-by-step explanation:
[tex]2.5x - 4.2 > 1.5x + 3.4 \\ 2.5x - 4.2 - 1.5x > 3.4 \\ 2.5x - 1.5x > 3.4 + 4.2 \\ x > 3.4 + 4.2 \\ [/tex]
[tex]\boxed{Answer:{\boxed{\green{ x > 7,6}}}}[/tex]