Question

x/5+y/6+1=x/6+y/5=28 find x and y

Answer 1

x=4020/31
y=162-4824/31

Answer 2

we get  2 equations
6x + 5y = 810
5x + 6y = 840

adding,
x+y=1650/11
substracting,
x-y=-30
solving,
x=120 , y=150