Question

7+[x - 2y -(6x + y - 4) + 2x} - {x-(y-2)}]​

Answer 1

Step-by-step explanation:

7+{x-2y-6x-y+4+2x-(x-y+2)}

x-2y-6x-y+4+2x-x+y-2=-7

-4x-2y+2=-7

7=4x+2y-2

4x+2y-2=7

4x+2y=9

2(2x+y)=9

2x+y=9/2