作业帮七道解方程,2（3-x)+3x=9 7(x+5)-(x+1)=5(x-1)七道解方程,2（3-x)+3x=97(x+5)-(x+1)=5(x-1)6(x+5)+7=30-4(x-2)6(2-1/3y)-1/5(10-15y)=16(x+1/2)+2=29-3(x-1)1/7[3x-2/3(x+6)]=二又三分之一（x-3)1/3(x-1)+1/4(x-1)-1/2(x-1)=1我马上就要睡了!
来源：学生作业帮助网 编辑：作业帮 时间：2024/10/05 18:37:46
![七道解方程,2（3-x)+3x=9 7(x+5)-(x+1)=5(x-1)七道解方程,2（3-x)+3x=97(x+5)-(x+1)=5(x-1)6(x+5)+7=30-4(x-2)6(2-1/3y)-1/5(10-15y)=16(x+1/2)+2=29-3(x-1)1/7[3x-2/3(x+6)]=二又三分之一（x-3)1/3(x-1)+1/4(x-1)-1/2(x-1)=1我马上就要睡了!](/uploads/image/z/180710-62-0.jpg?t=%E4%B8%83%E9%81%93%E8%A7%A3%E6%96%B9%E7%A8%8B%2C2%EF%BC%883-x%29%2B3x%3D9+7%28x%2B5%29-%28x%2B1%29%3D5%28x-1%29%E4%B8%83%E9%81%93%E8%A7%A3%E6%96%B9%E7%A8%8B%2C2%EF%BC%883-x%29%2B3x%3D97%28x%2B5%29-%28x%2B1%29%3D5%28x-1%296%28x%2B5%29%2B7%3D30-4%28x-2%296%282-1%2F3y%29-1%2F5%2810-15y%29%3D16%28x%2B1%2F2%29%2B2%3D29-3%28x-1%291%2F7%5B3x-2%2F3%28x%2B6%29%5D%3D%E4%BA%8C%E5%8F%88%E4%B8%89%E5%88%86%E4%B9%8B%E4%B8%80%EF%BC%88x-3%291%2F3%28x-1%29%2B1%2F4%28x-1%29-1%2F2%28x-1%29%3D1%E6%88%91%E9%A9%AC%E4%B8%8A%E5%B0%B1%E8%A6%81%E7%9D%A1%E4%BA%86%21)
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七道解方程,2（3-x)+3x=9 7(x+5)-(x+1)=5(x-1)七道解方程,2（3-x)+3x=97(x+5)-(x+1)=5(x-1)6(x+5)+7=30-4(x-2)6(2-1/3y)-1/5(10-15y)=16(x+1/2)+2=29-3(x-1)1/7[3x-2/3(x+6)]=二又三分之一（x-3)1/3(x-1)+1/4(x-1)-1/2(x-1)=1我马上就要睡了!
七道解方程,2（3-x)+3x=9 7(x+5)-(x+1)=5(x-1)
七道解方程,
2（3-x)+3x=9
7(x+5)-(x+1)=5(x-1)
6(x+5)+7=30-4(x-2)
6(2-1/3y)-1/5(10-15y)=1
6(x+1/2)+2=29-3(x-1)
1/7[3x-2/3(x+6)]=二又三分之一（x-3)
1/3(x-1)+1/4(x-1)-1/2(x-1)=1
我马上就要睡了!
七道解方程,2（3-x)+3x=9 7(x+5)-(x+1)=5(x-1)七道解方程,2（3-x)+3x=97(x+5)-(x+1)=5(x-1)6(x+5)+7=30-4(x-2)6(2-1/3y)-1/5(10-15y)=16(x+1/2)+2=29-3(x-1)1/7[3x-2/3(x+6)]=二又三分之一（x-3)1/3(x-1)+1/4(x-1)-1/2(x-1)=1我马上就要睡了!
2 .x=6
3.x+5-x-1=5x-5
-5x =-4-5
x =-5/9