(-3+3/x-1/3):(1+2/5+2/3)=-5/4
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(-3+3/x-1/3):(1+2/5+2/3)=-5/4(-3+3/x-1/3):(7/5+2/3)=-5/4(-3+3/x-1/3):31/15 =-5/4-3+3/x-1/3=-5/4 . 31/15-3+3/x-1/3=-31/12-3+3/x=-31/12+1/3-3+3/x=-9/43/x = -9/4 – (-3)3/x =3/4x=3 : 3/4x=4Vậy x=4
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Giải đáp:x=4Lời giải và giải thích chi tiết:(-3+3/x-1/3):(1+2/5+2/3)=(-5)/4(-3+3/x-1/3):(5/5+2/5+2/3)=(-5)/4(-3+3/x-1/3):(7/5+2/3)=(-5)/4(-3+3/x-1/3):(21/15+10/15)=(-5)/4(-3+3/x-1/3):31/15=(-5)/4-3+3/x-1/3=(-5)/4xx31/15-3+3/x-1/3=(-31)/123/x-(3+1/3)=(-31)/123/x-(9/3+1/3)=(-31)/123/x-10/3=(-31)/123/x=(-31)/12+10/33/x=(-31)/12+40/123/x=3/4=>x=4Vậy x=4\color{green}{\text{~Bachira~}}
