分式方程3x+1+(5x+2/4)=13

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分式方程3x+1+(5x+2/4)=13分式方程3x+1+(5x+2/4)=13分式方程3x+1+(5x+2/4)=133x+5x+1/2=13-18x=12-1/2x=12.5/8x=1.5625

分式方程3x+1+(5x+2/4)=13
分式方程3x+1+(5x+2/4)=13

分式方程3x+1+(5x+2/4)=13
3x+5x+1/2=13-1
8x=12-1/2
x=12.5/8
x=1.5625