Respuesta :
Answer:
[tex]3x + x + 7x - 4y[/tex]
[tex]4x + 7x - 4y[/tex]
[tex]11x - 4y[/tex]
Answer:
- 11x-4y
Step-by-step explanation:
[tex]\sf 3x + x +7x - 4y[/tex]
[tex]\sf (3x+x+7x)[/tex] [tex]\sf +(-4y)[/tex]
[tex]\sf 11x-4y[/tex]
Hope it helps! :)