Respuesta :

nktselepov

the equation of the line is

[tex]y=kx+b[/tex]

let's create a system of equations

[tex]\left \{ {{2=4k+b} \atop {-1=0k+b}} \right. \\b=-1\\\\2=4x-1\\4k=3\\k=0,75[/tex]

so, the equation of the line is

[tex]y=0,75x-1[/tex]

P.S. Hello from Russia