Answer :
you need to d to one side of the equation by itself and them use PEMDAS to solve your answer
c(ad) + x= bd + ad(yz)
bd + adyz - cad = x
d(b + ayz - ca) = x
d = x / (b + ayz - ca)
bd + adyz - cad = x
d(b + ayz - ca) = x
d = x / (b + ayz - ca)