Answer:
Step-by-step explanation:
2x+y=1---------> y=-2x+1
x-2y=3
2) x-2(-2x+1)=3
x+4x-2=3
5x=5
x=1
3) 2x+y=1 when x=1
2(1)+y=1
2+y=1
y=1
the answer is (1,1)