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Make r the subject of the relation y = (x-r)/(x+r)
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22 votes
Make r the subject of the relation y =
(x-r)/(x+r)

User MChan
by
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1 Answer

12 votes


y=(x-r)/(x+r)\\\\y(x+r)=x-r\\xy+ry=x-r\\ry+r=x-xy\\r(y+1)=x-xy\\r=(x-xy)/(y+1)

User Bjg
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