Question 770161
Since a line is parallel to the given line {{{x+2y=4}}}, it has an equation {{{x+2y=C}}}. The line goes through (4, -1),substitute into the equation {{{x=4}}}, {{{y=-1}}} to find C
{{{4+2*(-1)=C}}}
{{{C=2}}}
The equation of the line is {{{x+2y=2}}}