# Solve (3 3/8) to the power of -1

How would I solve these equation:

(3 3/8) to the power of -1

3X / X-1 + 4 = X / X+1

5 / X+2 + X(X+3) / X (Square) - 4

I been really stuck on these.

Thanks

HallsofIvy
Can you write $3\frac{3}{8}$ as a single, improper, fraction? Do you know what a -1 power does to a fraction? $(\frac{a}{b})^{-1}= ?$