Answers

2014-11-15T12:03:47+05:30
6-a= \frac{1}{3} (9a-18)




3(6-a)=9a-18

18-3a=9a-18

9a+3a=18+18

12a=36

a=3

Therefore, given equation has one solution
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2014-11-15T15:21:59+05:30
6 - a = 1/3 ( 9a -18 )
6 - a = 3a - 6
   -a = 3a - 6 - 6
   - a - 3a = - 12
   - 4 a = - 12
     a = -12/ -4 = 3

answer : ONE

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