Explanation:
parallel means it has the same slope.
the slope of a line is always the factor of x (5 in our case).
so, we have already
y = 5x + ?
we resolve the "?" by using the point coordinates as x and y and solve :
1 = 5×-2 + ?
1 = -10 + ?
? = 11
so, the equation is
y = 5x + 11