Question

(x-1)/2+(x-2)/3=(x-3)/4 alguém ajuda ?

Answer 1

$\frac{x - 1}{2} + \frac{x - 2}{3} = \frac{x - 3}{4}$
Iguala as bases
$\frac{6x - 6}{12} + \frac{4x - 8}{12} = \frac{3x - 9}{12}$
corta as bases
$6x - 6 + 4x - 8 = 3x - 9 \\ 7x = 8 \\ x = \frac{8}{7}$