解方程3X-1/2{X-1/2(X-1)}=2/3(X-1)
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解方程3X-1/2{X-1/2(X-1)}=2/3(X-1)解方程3X-1/2{X-1/2(X-1)}=2/3(X-1)解方程3X-1/2{X-1/2(X-1)}=2/3(X-1)3X-1/2{X-1
解方程3X-1/2{X-1/2(X-1)}=2/3(X-1)
解方程3X-1/2{X-1/2(X-1)}=2/3(X-1)
解方程3X-1/2{X-1/2(X-1)}=2/3(X-1)
3X-1/2{X-1/2(X-1)}=2/3(X-1)
乘以12得
36X-6{X-1/2(X-1)}=8(X-1)
36X-6X+3(X-1)=8X-8
30X+3X-3=8X-8
33X-8X=-8+3
25X=-5
X=-5/25
X=-1/5
3x -x/2 +(x-1)/4 =2(x-1)/3
两边乘以12得
18x-6x+3(x-1)=8(x-1)
18x-6x=5(x-1)
12x=5x-5
7x=-5
x=-5/7