4(2x一7)一2(x一1)=3(x一1)一2 x=?
4(2x一7)一2(x一1)=3(x一1)一2 x=?
4(2x一7)一2(x一1)=3(x一1)一2 x=?
4(2x一7)一2(x一1)=3(x一1)一2 x=?
7
建议化简,就简单了,
x=7
三分之七
是减2X吗?对
4(2x一7)一2(x一1)=3(x一1)一2 x=?
4(2x一7)一2(x一1)=3(x一1)一2 x=?
4(2x一7)一2(x一1)=3(x一1)一2 x=?
7
建议化简,就简单了,
x=7
三分之七
是减2X吗?对