1 ) 2) помогите пожалуйста

1
1/6:(1/4x-1/3) -3/8=1/40
1/6:(1/4x-1/3)=1/40+3/8=1/40+15/40=16/40=2/5
1/4x-1/3=1/6:2/5=1/6*5/2=5/12
1/4x=5/12+1/3=5/12+4/12=9/12=3/4
x=3/4:1/4
x=3
2
1/4:(3/4x-1/2)+2/5=1/2
1/4:(3/4x-1/2)=1/2-2/5=5/10-4/10=1/10
3/4x-1/2=1/4:1/10=1/4*10/1=5/2
3/4x=5/2+1/2=6/2=3
x=3:3/4=3*4/3
x=4      

Добавлю ответ.
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