Algebraic Manipulation ( Making X the subject of the equation )

Examples covered,

1) f=33x + 4y - 7
2) (yg)^1/2 + xf/4 - 8 = 3
3) x^2 = 9
4) 1 - 4x^2y + 2f = x^2
5) 5x - 10xyg^1/2 * 3 = 15
6) (xy)^1/3 = 3f