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!
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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!](/uploads/image/z/178547-59-7.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%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%284%292x-1%2F3%3D-x%2F3%2B2+%281%2912%282-3x%29%3D4x%2B4%282%296-3%28x%2B2%2F3%29%3D2%2F3%283%292%28200-15x%29%3D70%2B25x%284%293%282x%2B1%29%3D12%E6%B1%82%E9%AB%98%E6%89%8B%E8%A6%81%E8%AF%A6%E7%BB%86%E6%AD%A5%E9%AA%A4%E8%B0%A2%E8%B0%A2%21)
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 (
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 (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!
(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