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How to do this question plz answer me ​

How to do this question plz answer me ​-example-1
User Arutaku
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1 Answer

3 votes

Answer:


d = (4 - 3c)/(c + 1)

Explanation:

To make d the subject of formula, we need to rearrange the equation such that we arrive at d= _____.


c = (4 - d)/(d + 3)

Remove the fraction by multiplying (d +3) on both sides:


c(d + 3) = 4 - d

Expand:


cd + 3c = 4 - d

Bring all the d terms to one side and move the others to the other side of the equation:


cd + d = 4 - 3c

Factorise d out:


d(c + 1) = 4 - 3c

Divide by (c +1) on both sides:


d = (4 - 3c)/(c + 1)

User Ztatic
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