Question 111738
IT APPEARS YOU NEGLECTED TO ADD THE X+X=2X AND SUBTRACTED 38-12=26 INSTEAD OF ADDING 12+38=50.
X+Y=38
X-Y=12 NOW ADD THESE 2 EQUATIONS.
-------------------------------------
2X=50
X=25 ANSWER.
25+Y=38
Y=38-25
Y=13 ANSWER.
PROOF.
25-13=12
12=12