Respuesta :

Answer:

Step-by-step explanation:

4x + 3y + x + 4y

= 4x + x + 3y + 4y

= 5x + 7y

4x + 3y + 2x - y

= 4x + 2x + 3y - y

= 6x + 2y

4x + 5y - ( x + 4y )

= 4x + 5y - x - 4y

= 4x - x + 5y - 4y

= 3x + y

2x - y + 3x + y

= 2x + 3x - y + y

= 5x + 0

= 5x

watsonultra2

Answer:

See the picture I've attached...

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