Answer:
2x+8y=10 ie. eqn1
-x+y=-5 ie.eqn2
now, multiply eqn 2 by 2 and solve eqn1 and eqn2 then we get,
2x+8y=10
-2x+2y=-10
___________
10y=0
therefore, y= 0 and put the value of y in eqn1
2x+8y=10
or, 2x+8×0=10
or, 2x=10
x=10÷2=5ans.
hence x=5 and y=0
