Question 53020
2(X+X+2)=(X+4)+(X+6)+8 OR 2X+2X+4=2X+10+8 OR 4X-2X=18-4 OR 2X=14 THEN X=7

SO THE NUMBERS ARE 7,9,11 & 13 
PROOF 2(7+9)=11+13+8 OR 2*16=32 OR 32=32