Which equation has (2, -1) as a solution?

Y = 2x - 1
Y = x + 3
Y = x - 3
Y = -2x + 1

4 answers

Plug in (2, -1) into each equation to see which equations yield true.
Is it d?
No.
Sorry I'm just dumb... It's b dont know how I couldn't figure that out for about 10 mins but I got it now lol thx