Question

Решите уравнение 2/7x=1

Answer 1

$frac{2}{7} x = 1 \ \ x = frac{7}{7} div frac{2}{7} \ \ x = frac{7}{2} = 3 frac{1}{2}$

Answer 2

2/7x=1
x=1÷2/7
x=7/2
x=3 1/2