You can
put this solution on YOUR website!
You want to solve for x. That means simplifying the equation so that you can get x alone on one side of the = sign. Start by multiplying through the -4/5:

Get the x term alone on the left side:

Multiply each side by 5:

Divide each side by -4 to get x alone:

And you are done.
Good Luck,
tutor_paul@yahoo.com