第1个回答 2015-11-17
x-2/3(x+3)=x+3
x-2x/3-2=x+3
x/3-2=x+3
2x/3=-5
x=-7.5
第2个回答 2015-11-17
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追答行家正解
第3个回答 2015-11-17
2x-2/3(x+3)=x+3
解:6x-2(x+3)=3(x+3)
6x-2x-6=3x+9
4x-6=3x+9
4x-3x=9+6
x=15
第4个回答 2015-11-17
2x-2/3(x+3)=x+3
6x-2(x+3)=3x+9
6x-2x-6=3x+9
x=15本回答被提问者采纳