Use
y-y1=m(x-x1)
y-(-2)=4(x-1) Now why 4??Because parallel lines have the exact same slope
y+2=4x-4
y=4x-4-2
y=4x-6
Hope it helps!

~Just a teen who listens to music
<h3>Substitute and Check:</h3>

<h3>We can stop here and conclude that ( 1 , 3 ) is not a solution to this system, since it does not even satisfy the first equation, but check for the other one just in case:</h3>

Answer:
$78
Step-by-step explanation:
$65 x 1.20 = $78
or
$65 x 0.20 = $13
$65 + $13 = $78