Question

If ab = c - d, which of the following is an expression for d in terms of a, b, and c?

A. d = ab - c
B. d = - ab + c
C. d = c + ab
D. d = - ab - c

Can you also tell what kind of question is this?

Answer 1

ANSWER


`d = - ab + c`


Step-by-step explanation


The given expression is


`ab = c - d`

To find an expression for d in terms of a, b, and c, means we want to make d the subject of the relation.


This means that, we need to isolate d on one side of the equation while all other terms are on the other side.



We subtract from both sides of the equation to obtain,



`ab - c = - d`



We now divide through by -1, to get,




`- ab + c = d`


Or



`d = - ab + c`


The topic is change of subject