Answer:
5/6
Step-by-step explanation:
-2[x-(5x+2)]=2+(2x+7)
-2[x-5x-2]=2+2x+7
-2x+10x+4=2x+9
8x+4=2x+9
8x-2x+4=9
6x+4=9
6x=9-4
6x=5
x=5/6