Question

Решите уравнение

Answer 1

$\frac{7(x-6)}{4} = \frac{5(x+1)}{3} -3(x+2)$
$\frac{7(x-6)}{4} = \frac{5(x+1)-9(x+2)}{3}$
3*7(x-6)=4*(5(x+1)-9(x+2))
21x-126=20x+20-36x-72
21x-20x+36x=20-72+126
37x=74
x=74/37
x=2