Question

1,make x the subjec of formular,a(b-x)=cx,2,x(a-b)=b(c-x),3,a/x=b.

Answer 1

1. ab - ax = cx ... ab = cx + ax ... ab = x (c + a) ... x = ab / (c + a)

2. ax - bx = bc - bx ... ax = bc ... x = bc / a

3. a = b x ... x = a / b