还有六题分别为 (1)4x-2=3-x (2)-7x+2=2x-4 (3)-x=-2/5x+1 (
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还有六题分别为 (1)4x-2=3-x (2)-7x+2=2x-4 (3)-x=-2/5x+1 (
还有六题分别为
(1)4x-2=3-x
(2)-7x+2=2x-4
(3)-x=-2/5x+1
(4)2x-1/3=-x/3+2
(1)12(2-3x)=4x+4
(2)6-3(x+2/3)=2/3
(3)2(200-15x)=70+25x
(4)3(2x+1)=12
求高手要详细步骤谢谢!
还有六题分别为
(1)4x-2=3-x
(2)-7x+2=2x-4
(3)-x=-2/5x+1
(4)2x-1/3=-x/3+2
(1)12(2-3x)=4x+4
(2)6-3(x+2/3)=2/3
(3)2(200-15x)=70+25x
(4)3(2x+1)=12
求高手要详细步骤谢谢!
![还有六题分别为 (1)4x-2=3-x (2)-7x+2=2x-4 (3)-x=-2/5x+1 (](/uploads/image/z/7646378-50-8.jpg?t=%E8%BF%98%E6%9C%89%E5%85%AD%E9%A2%98%E5%88%86%E5%88%AB%E4%B8%BA+%281%294x-2%3D3-x+%282%29-7x%2B2%3D2x-4+%283%29-x%3D-2%2F5x%2B1+%28)
(1)4x-2=3-x
5x=5 x=1
(2)-7x+2=2x-4
6=9x x=2/3
(3)-x=-2/5x+1
3/5x=-x x=-5/3
(4)2x-1/3=-x/3+2
7/3 x=7/3 x=1
(1)12(2-3x)=4x+4
20=40x x=0.5
(2)6-3(x+2/3)=2/3
10/3=3x x=10/9
(3)2(200-15x)=70+25x
330=55x x=6
(4)3(2x+1)=12
6x=9 x=1.5
5x=5 x=1
(2)-7x+2=2x-4
6=9x x=2/3
(3)-x=-2/5x+1
3/5x=-x x=-5/3
(4)2x-1/3=-x/3+2
7/3 x=7/3 x=1
(1)12(2-3x)=4x+4
20=40x x=0.5
(2)6-3(x+2/3)=2/3
10/3=3x x=10/9
(3)2(200-15x)=70+25x
330=55x x=6
(4)3(2x+1)=12
6x=9 x=1.5
还有六题分别为 (1)4x-2=3-x (2)-7x+2=2x-4 (3)-x=-2/5x+1 (
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