Respuesta :

ifex

1)x+4x+6x

Add

11x

2) 4(2x+5y)

Open bracket (multiply through with 4)

8x +20y

3) 2x+5+3x+6

Collect like terms

2x+3x+6+5

Add

5x+11

4) 3x+8+2x

Collect like terms

3x+2x+8

5x+8