Question 201424
1. AB + CB = D


B(A + C) = D


B  =  {{{D/(A + C)}}}



2.B*B=A

{{{B^2 = A}}}

{{{B = sqrt(A)}}}


3.AB/C=D


{{{AB/C  = D}}}


AB  =  CD


{{{B  =  CD/A}}}


4.A/B=C/D


{{{A/B  =  C/D}}}


BC  =  AD


{{{B  =  AD/C}}}