Question 658494
X+Y=77 OR
X=77-Y
4X+2Y=286
4(77-Y)+2Y=286
308-4Y+2Y=286
-2Y=286-308
-2Y=-22
Y=11 ANS. FOR THE SMALLER NUMBER.
X+7=77
X=7711
X=66 ANS. FOR THE LARGER NUMBER.
PROOF:
4*66+2*11=286
264+22=286
286=286