Question

Решите уравнение. ( 6/7х - 1/2 ) * 14 =3

Answer 1

 6/7 х -1/2 = 3/14
6/7 х = 3/14 +1/2
6/7 х = 10/14
6/7 х = 5/7
6х = 5
х = 5/6

Answer 2

$( \frac{6}{7} x- \frac{1}{2} ) * 14 =3$
$\frac{6*14}{7} x- \frac{1}{2} * 14 =3$
$12x- 7 =3$
$12x =3+7$
$12x =10 \\ x=10:12 \\ x=\frac{5}{6}$