SOLUTION: 3a(4-5x)=4+30x-28 Find the value of a for which the equation is an identity.

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Question 820996: 3a(4-5x)=4+30x-28
Find the value of a for which the equation is an identity.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Find the value of a for which the equation is an identity.

 3a(4-5x)=4+30x-28

  12a-15ax = 30x - 24

  12a = -24        |Comparing Like terms

    a = -2

&  -15ax = 30x

      a = -2