Which is an equation of a line that is parallel to the line whose equation is y = 3x + 7

Answer 1

y+3x = any constant is parallel to y=3x+7

3 is the slope. any equation with slope = 3 is parallel to y=3x+7

y=3x

y=3x-10

y=3x+20

y=3x-59999

y=3x+7888

etc.

all are parallel