Question

Помогите пожалуйста √(6/(4х-54)) = 1/7

Answer 1

6/(4x-54)=1/49
1/49(4x-54)=6
4/49x-54/49=6
4/49x=6-54/49
4/49x=294/49-54/49
4/49x=240/49
x=240/49×49/4
x=60