Make a the subject of a+3=(2a+7)/(r)

asked Feb 26, 2017 223k views

4 votes

Make a the subject of

a+3=
(2a+7)/(r)

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$a+3=(2a+7)/(r)\\ r(a+3)=2a+7\\ ar+3r=2a+7\\ ar-2a=7-3r\\ a(r-2)=7-3r\\ a=(7-3r)/(r-2)\\ a=-(3r-7)/(r-2)$

TehShrike answered Mar 2, 2017

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