posted by joey .
Find the value of x.
x = 18x = 22.5x = 30x = 54
is like a like two line almost forming an X and on the left side it says (x+90) and on the right side it says 4x
I recommend you get a tutor, or a study buddy. You do no know how to read math symbols, and as a result are making us guess what you are reading.