What is the solution of |3x-2|=7 ?

Mathematics
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What is the solution of |3x-2|=7 ?

a.  x = 5/3 or x = 9 

b.  x = - 5/3 or x = 3 

c.  x = - 5/3 or x = 5/3

d.  x = 5/3 or x = 3 

Apr 29th, 2015

 3x = 7+2               -3x = 7-2

 3x = 9                    -3x = 5

   x = 3                       x = -5/3


Answer is b.  x = - 5/3 or x = 3 

Apr 29th, 2015

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