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