Question

Решите уравнение плиииз

Answer 1

1/4 / 3/4х-1/2 + 2/5 = 1/2
1/4 / 3/4х-1/2= 1/2 - 2/5
1/4 / 3/4х-1/2= 5/10-4/10
1/4 / 3/4х-1/2=1/10
1/4=1/10*(3/4х-1/2)
1/4:1/10 = 3/4х-1/2
1/4*10= 3/4х-1/2
5/2+1/2=3/4х
6/2=3/4х
х=3:3/4
х=3*4/3
х=4