Question

find x,y asap. thnks

Answer 1

as we know that the parallel line of a quadrilateral is equal
then
3x=18
x=6
and
3y-1=26
3y=26+1=27
y=9

Answer 2

3x+3y-1

3(x-y)-1

x-y=3-1

x-y=2

x=1,y=1