2(3-y)-3(2/3y+1)=1 解方程,9(2/3+1)-2(x-1/2)=-2
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2(3-y)-3(2/3y+1)=1解方程,9(2/3+1)-2(x-1/2)=-22(3-y)-3(2/3y+1)=1解方程,9(2/3+1)-2(x-1/2)=-22(3-y)-3(2/3y+1)
2(3-y)-3(2/3y+1)=1 解方程,9(2/3+1)-2(x-1/2)=-2
2(3-y)-3(2/3y+1)=1 解方程,
9(2/3+1)-2(x-1/2)=-2
2(3-y)-3(2/3y+1)=1 解方程,9(2/3+1)-2(x-1/2)=-2
2(3-y)-3(2/3y+1)=1
6-2y-2y-3=1
4y=6-3-1
4y=2
y=1/2
9(2/3x+1)-2(x-1/2)=-2
6x+9-2x+1=2
4x=2-10
4x=-8
x=-2
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