Question

Va rog ajutați-mă dau coroana ​

Answer 1

Răspuns:

$\frac{x + 3}{4} + \frac{2x + 1}{3} = \frac{x - 3}{6} + \frac{3x + 1}{12}$

$\frac{3x + 9}{12} + \frac{8x + 4}{12} = \frac{2x - 6}{12} + \frac{3x + 1}{12}$

3x+9+8x+4=2x-6+3x+1

11×+13=5x-5

11×-5×=(-5)-13

6×=-18 =>x= -3