1.4x+5=-2x-12.-1/3x-1=7/3x3.11x-33=33-11x4.0.2x-1.2=0.6+x5.2/3x+3=1/3x-16.6x-1/3=5-1/2x

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1.4x+5=-2x-12.-1/3x-1=7/3x3.11x-33=33-11x4.0.2x-1.2=0.6+x5.2/3x+3=1/3x-16.6x-1/3=5-1/2x1.4x+5=-2x-12

1.4x+5=-2x-12.-1/3x-1=7/3x3.11x-33=33-11x4.0.2x-1.2=0.6+x5.2/3x+3=1/3x-16.6x-1/3=5-1/2x
1.4x+5=-2x-1
2.-1/3x-1=7/3x
3.11x-33=33-11x
4.0.2x-1.2=0.6+x
5.2/3x+3=1/3x-1
6.6x-1/3=5-1/2x

1.4x+5=-2x-12.-1/3x-1=7/3x3.11x-33=33-11x4.0.2x-1.2=0.6+x5.2/3x+3=1/3x-16.6x-1/3=5-1/2x
1.4x+5=-2x-1
6x=-6
x=-1
2.-1/3x-1=7/3x
-1=8/3x
x=-3/8
3.11x-33=33-11x
22x=66
x=3
4.0.2x-1.2=0.6+x
-0.8x=1.8
x=9/4
5.2/3x+3=1/3x-1
x/3=-4
x=-12
6.6x-1/3=5-1/2x
36x-2=30-3x
39x=32
x=32/39

1. 4x +5= -2x -1
4x +2x= -1 -5
6x= -6
x= -1

2. -1/3x -1= 7/3x
-1/3x -7/3x= 1
-8/3x= 1
x= -3/8

3. 11x -33= 33 -11x...

全部展开

1. 4x +5= -2x -1
4x +2x= -1 -5
6x= -6
x= -1

2. -1/3x -1= 7/3x
-1/3x -7/3x= 1
-8/3x= 1
x= -3/8

3. 11x -33= 33 -11x
11x +11x= 33 +33
22x= 66
x= 3

4. 0.2x -1.2= 0.6 +x
0.2x -x= 1.2 +0.6
-0.8x = 1.8
x= -2.25

5. 2/3x +3= 1/3x -1
2/3x -1/3x= -1 -3
1/3x= -4
x= -12

6. 6x-1/3=5-1/2x
6x +1/2x= 5+1/3
13/2x= 16/3
x= 32/39

收起

1. x=-1
3. x=33
5. x=-12


哈哈.

-1
-3／8
3
-9／4
-12
32/39
请采纳
谢谢

1.4x+2x=-1-5, 6x=-6, x=-1
2.7/3x+1/3x=-1, 8/3x=-1, x=-3/8
3.11x+11x=33+33, 22x=66, x=3
4.x-0.2x=-1.2-0.6, 0.8x=1.8, x=9/4
5.2/3x=1/3x=-1-3, 1/3x=-4, x=-12
6.6x+1/2x=5+1/3, 13/2x=16/3, x=16/3*2/13=32/39

1. 4x+5=-2x-1
6x=-6
x=-1
2 . -1/3x-1=7/3x
-8/3x=1 ...

全部展开

1. 4x+5=-2x-1
6x=-6
x=-1
2 . -1/3x-1=7/3x
-8/3x=1
x=-3/8
3. 11x-33=33-11x
22x=66
x=3
4. 0.2x-1.2=0.6+x
-0.8x=1.8
x=-9/4
5. 2/3x+3=1/3x-1
1/3x=-4
x=-12
6. 6x-1/3=5-1/2x
13/2x=16/3
x=32/39

收起

-1
-3／8
3
-9／4
-12
32/39

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