math 1A

hey im having trouble with these math problem .
if a=2 and d=7
6d-3a =?
how do you solve and get the answer ?

  1. 1
asked by stephanee
  1. 6d-3a =?

    6(7) - 3(2) =

    42 - 6 = 36

    posted by Ms. Sue
  2. ln(a+b) + ln(a-b) -2ln c

    posted by Christina

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