Re-arrange [4x+ 9t + 8s= 3g] to make x the subject of the formula

First we need to get everything that is not x on to one side. This will then leave us with 4x=3g- 8s-9t. Now we need to remove the coefficient of x which will result in x=1/4(3g-8s-9t)- as we have x on its own this is the answer.