6(x+2)-4(x+5)=48

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6(x+2)-4(x+5)=48
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6(x+2)-4(x+5)=48
6(x+2)-4(x+5)=48

6(x+2)-4(x+5)=48
6x+12-4x-20=48
6x-4x=48-12+20
2x=56
x=56÷2
x=28

6(x+2)-4(x+5)=48;
6x+12-4x-20=48;
2x=56;
x=28;

2x=56
得x=28

6x+12-4x-20=48
2X-8=48
2X=56
X=28

6(x+2)-4(x+5)=48
6x+12-4x-20=48
2x=56
x=28

1/2{1/3{1/4(x+1/5-1)-6]+x}=1 2*1/2{1/3{1/4(x+1/5(x+1/5-1)+12x=48 (x+1)/5-1+12x=48 (x+1)/5+12x=48+1