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
网友回答
1.4x+5=-2x-1
6x=-6x=-12.-1/3x-1=7/3x
-1=8/3x
x=-3/8
3.11x-33=33-11x
22x=66
x=34.0.2x-1.2=0.6+x
-0.8x=1.8
x=9/45.2/3x+3=1/3x-1
x/3=-4
x=-126.6x-1/3=5-1/2x
36x-2=30-3x
39x=32
x=32/39
======以下答案可供参考======
供参考答案1:
1. 4x +5= -2x -1
4x +2x= -1 -5
6x= -6 x= -12. -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= 34. 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= -126. 6x-1/3=5-1/2x 6x +1/2x= 5+1/3 13/2x= 16/3 x= 32/39供参考答案2:1. x=-13. x=335. x=-12 哈哈.供参考答案3:-1-3/83-9/4-1232/39请采纳谢谢供参考答案4:1.4x+2x=-1-5, 6x=-6, x=-12.7/3x+1/3x=-1, 8/3x=-1, x=-3/83.11x+11x=33+33, 22x=66, x=34.x-0.2x=-1.2-0.6, 0.8x=1.8, x=9/45.2/3x=1/3x=-1-3, 1/3x=-4, x=-126.6x+1/2x=5+1/3, 13/2x=16/3, x=16/3*2/13=32/39供参考答案5:1. 4x+5=-2x-1 6x=-6 x=-12 . -1/3x-1=7/3x -8/3x=1