Question

resolva a equaçao
5X-9=2X+3

Answer 1

$5x-9=2x+3\to \\\\ 5x-2x=3+9\to \\\\ 3x=12\to \\\\ x= \frac{12}{3} \to \\\\ x=4$

Answer 2

5x - 9 = 2x + 3
5x - 2x = 3 + 9
3x = 12
  x= 12
        3

x = 4