Question 568540
If line is parallel to the given line {{{y= 4x + 1}}}, then it  has an equation {{{y= 4x + b}}}
(Parallel lines have equal  slopes)
To find {{{b}}} substitute into the equation {{{x=-3}}}, {{{y=1}}}
{{{1=4*(-3)+b}}}
{{{1=-12+b}}}
{{{b=1+12}}}
{{{b=13}}}
Answer {{{y=4x+13}}}