3-5x=x+1 4-2(x-1)=6(x+2) 14-3(2x-1)=5(x+2)-1

问题描述:

3-5x=x+1 4-2(x-1)=6(x+2) 14-3(2x-1)=5(x+2)-1

3-5x=x+1
3-1=x+5x
2=6x
x=1/3
4-2(x-1)=6(x+2)
4-2x+2=6x+12
8x=6
x=3/4
14-3(2x-1)=5(x+2)-1
14-6x+3=5x+10-1
11x=9-14-3
11x=-8
x=-8/111+2/x-5=3/x+16-3/x-1=2/x+4回答好了给满意1+2/x -5=3/x+1x+2-5x=3+x-5x=1x=-1/56-3/x-1=2/x+46x-3-x=2+4xx=5