4x=3y+3 and 6y= 8x+ 36 and y=3x-1 and y= 6- x/3
4x=3y+3 and 6y= 8x are parallel and y=3x-1 and y= 6- x/3 are perpendicular.
See the attached plot for answer.
To solve for x, simply rearrange the problem:

Answer:
6 1/4
Step-by-step explanation:
Is 10000000000, 10 to the power of 10