1/4//3/4Х-1/2+2/5=1/2

Question

1/4//3/4Х-1/2+2/5=1/2

Answer 1

1/4:3/4x-1/2+2/5=1/2
1/4:3/4x=1/2+1/2-2/5
1/4:3/4x=1/2+1/2-2/5
1/4:3/4x=1-2/51/4:3/4x=5/5-2/5
1/4:3/4x=3/5
3/4x=1/4:3/5
3/4x=1*5/4*3=5/12
x=5/12:3/4
x=5*4/12*3
x=5*1/3*3=5/9
Ответ: х=5/9