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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?

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ANSWER

[tex]d = - ab + c[/tex]


EXPLANATION


The given expression is

[tex]ab = c - d[/tex]

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,


[tex]ab - c = - d[/tex]



We now divide through by -1, to get,



[tex] - ab + c = d[/tex]


Or


[tex] d = - ab + c [/tex]


The topic is change of subject

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