Solve by using substitution. Express your answer as an ordered pair.
{2x + y = 1
{y = x -5

2x+y=1
y=x-5
substitute: y=x-5 in 2x+y=1
2x+x-5=1
2×+x=1+5
2x+x=6
3x=6
x=6/3
x=2
finding y:
substitute x=2 in 2x+y=1
2×2+y=1
4+y=1
y=1-4
y=-3
so(2,-3) is the answer