Hi,  







     3x = 4(x+2)

      3x = 4x + 8

      -8 = x 

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
 Hint:





(2)^3x = (16)^x+2





(2)^3x = (2^4)^x+2





(2)^3x = 2^(4(x+2)





Since the bases are equal (to 2), the exponents must be equal, so..





3x = 4(x+2)





I'll let you finish





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