What is the equation of the line that passes through (1, 2) and is parallel to the line whose equation is 2x + y - 1 = 0?

Respuesta :

hello : 
an equation is : 
y -  2 = -2(x-1).....(a line parallel to the line y = -2x + 1 ' same slope : -2)
y = -2x+4