Question 710249
X+Y=80
X=3Y-7
(3Y-7)+Y=80
4Y=80+7
4Y=87
Y=87/4
Y=21.75 ANS FOR THE SMALLER NUMBER.
X+21.75=80
X=80-21.75
X=58.75 ANS. FOR THE LARGER NUMBER.
PROOF:
3*21.75-7+21.75=80
65.25+21.75=80
80=80