Cara kerja 9x+1-28(3x)+3=0

[tex]9x + 1 - 28(3x) + 3 = 0 \\ 9x + 1 - 84x + 3 = 0 \\ - 75x + 4 = 0 \\ - 75x = - 4 \\ x = \frac{ - 4}{ - 75} \\ x = \frac{4}{75} [/tex]