Question

1) x/2=x-1/3
2)x-1/5-x/3=x+3/15
Помогите, срочно!
Даю 30 баллов!

Answer 1

$frac{x}{2} = frac{x - 1}{3} : : : | times 6| \ 3x = 2x - 2 \ x = - 2$
$\ \ frac{x - 1}{5} - frac{x}{3} = frac{x + 3}{15} \ frac{3x - 3 - 5x}{15} = frac{x + 3}{15} : | times 15| \ \ -2 x - 3 = x + 3 \ 3x = - 6 \ x = - 2$