Respuesta :

Answer:

7x-2, -x-6y+16, 5x-3

Step-by-step explanation:

I'm guessing the three expressions are:

1. 3(x+2) + 4(x-2)

2. 2(x+y) - 3(x+y) - (y+8) + 4(6-y)

3. 2(4x+3) - 3(x+1)

... 1. 3(x+2) + 4(x-2)

= 3x + 6 + 4x - 8

= 7x - 2

... 2. 2(x+y) - 3(x+y) - (y+8) + 4(6-y)

= 2x + 2y - 3x - 3y - y - 8 + 24 - 4y

= -x - 6y + 16

... 3. 2(4x+3) - 3(x+1)

= 8x + 6 - 3x - 3

= 5x - 3

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