nilai x yang memenuhi persamaan 3 (3x + 2/3) = 5(2x-1/4 adalah...

9x + 2 = 10x - 5/4 2 + 5/4 = 10x - 9x 13/4 = x x = 3.25

3 (3x + 2/3) = 5 (2x - 1/4)
9x + 2 = 10x - 1.25
9x - 10x = - 1.25 - 2
       -1x  = - 0.75
           x = - 0.75 / - 1