$h=\frac{V}{3\pi r^2}$

$h=\frac{3V}{\pi r^2}$

$h=\frac{Vr^2}{3\pi}$

$h=\frac{3\pi}{Vr^2}$

s = -Dn + C

s = Dn - C

$s=\frac{Dn}{C}$

$s=\frac{C}{Dn}$

 $G=\frac{Fr^2}{Mn}$  

 $G=FMmr^2$  

 $Fr^2=GMm$  

 $G=Fr^2M^2$  

 $r=\frac{3V}{4\pi}$  

 $r=\frac{4V}{3\pi}$  

 $r=\ ^3\sqrt{\frac{3V}{4\pi}}$  

 $r=\ ^3\sqrt{\frac{3V}{4\pi}}$  

 $x\left(b+5\right)$  

 $\frac{\left(b-5\right)}{x}$  

 $\frac{\left(b+5\right)}{x}$  

 $x\left(b-5\right)$  

$z=\frac{A}{nd}$

$z=\frac{A-d}{n}$

$z=\frac{A}{n+d}$

$z=\frac{A}{n-d}$

 $t\ =\ \sqrt{\frac{2d}{a}}$  

 $t=\ 2d^2\ -\ a$  

 $t\ =\ \sqrt{\frac{a}{2d}}$  

 $t\ =\ \sqrt{2da}$  

g = f(2.5 + h)

g = 1

$g=\frac{f\left(5+h\right)}{2}$

$g=\frac{5f+h}{2}$

$y=\frac{4-2x}{3}$

$y=\frac{2x-4}{3}$

$x=\frac{4-3y}{2}$

$y=\frac{4-2x}{-3}$