SOLUTION: solve algebraically. 3sqrt(7x-5) -4=8

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Question 464166: solve algebraically. 3sqrt(7x-5) -4=8
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

solve algebraically:

3sqrt%287x-5%29+-4=8+

sqrt%287x-5%29=+4+

 7x - 5 = 16

    7x = 21

     x = 3



CHECKING our Answer***

  3*sqrt(16) = 12

   3*4 = 12