Kaitmama99 Kaitmama99
  • 22-08-2014
  • Mathematics
Answered


Specified variable a = 3b - c, for b



Answer :

rafalsadkowski rafalsadkowski
  • 22-08-2014
a = 3b -c         //we move 'b' to left side
a - 3b = - c      // we move 'a' to right side
-3b = -a - c    // we multiply by -1
3b = a + c   // we devide by 3
b = (a + c ) / 3  

other version => b = (1/3)a+ (1/3)c
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