Answer:
y = 7x+13
Explanation:
y = 7x+3
Lines that are parallel have the same slope, and this line is in slope intercept form, y = mx +b where m is the slope.
The slope is 7
y = 7x+b
Using the given point ( -3,-8) and using point slope form, y-y1 = m(x-x1) where (x1 and y1) is the point and the line
y- -8 =7(x--3)
y+8 = 7(x+3)
Distribute
y+8 = 7x+21
Subtract 8 from each side
y+8-8 = 7x+21-8
y = 7x+13