Question

19. Evaluate (2x+y - 5y + 12) - (x+y + 2x - 7)

Answer 1

Answer:

2x-4y+12-x-y-2x+7

= -x-5y+19

Step-by-step explanation:

I hope my answer will help you a lot

Answer 2

Step-by-step explanation:

$(2x + y - 5y + 12) - (x + y + 2x - 7) \\ = 2x + y - 5y + 12 - x - y - 2x + 7 \\ = 2x - x + - 4y - y+ 12 + 7 \\ = x - 5y + 19$

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