2x+3=x-1 8x-2=7x-2 10y+7=12y-5-3y 2.4x-9.8=1.4x-9 0.48x-6= -0.02x 2x;3=6;5 8;3=4x;7只要在今天耳朵7点半前完成,我加100 快要准确
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![2x+3=x-1 8x-2=7x-2 10y+7=12y-5-3y 2.4x-9.8=1.4x-9 0.48x-6= -0.02x 2x;3=6;5 8;3=4x;7只要在今天耳朵7点半前完成,我加100 快要准确](/uploads/image/z/2534433-33-3.jpg?t=2x%2B3%3Dx-1+8x-2%3D7x-2+10y%2B7%3D12y-5-3y+2.4x-9.8%3D1.4x-9+0.48x-6%3D+-0.02x+2x%EF%BC%9B3%3D6%EF%BC%9B5+8%EF%BC%9B3%3D4x%EF%BC%9B7%E5%8F%AA%E8%A6%81%E5%9C%A8%E4%BB%8A%E5%A4%A9%E8%80%B3%E6%9C%B57%E7%82%B9%E5%8D%8A%E5%89%8D%E5%AE%8C%E6%88%90%2C%E6%88%91%E5%8A%A0100+%E5%BF%AB%E8%A6%81%E5%87%86%E7%A1%AE)
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2x+3=x-1 8x-2=7x-2 10y+7=12y-5-3y 2.4x-9.8=1.4x-9 0.48x-6= -0.02x 2x;3=6;5 8;3=4x;7只要在今天耳朵7点半前完成,我加100 快要准确
2x+3=x-1 8x-2=7x-2 10y+7=12y-5-3y 2.4x-9.8=1.4x-9 0.48x-6= -0.02x 2x;3=6;5 8;3=4x;7
只要在今天耳朵7点半前完成,我加100 快要准确
2x+3=x-1 8x-2=7x-2 10y+7=12y-5-3y 2.4x-9.8=1.4x-9 0.48x-6= -0.02x 2x;3=6;5 8;3=4x;7只要在今天耳朵7点半前完成,我加100 快要准确
2x+3=x-1
2x-x=-1-3
x=-4
8x-2=7x-2
8x-7x=-2+2
x=0
10y+7=12y-5-3y
10y+7=9y-5
10y-9y=-5-7
y=-12
2.4x-9.8=1.4x-9
2.4x-1.4x=9.8-9
x=0.8
0.48x-6= -0.02x
0.48x+0.02x=6
0.5x=6
x=12
2x:3=6:5
2x*5=3*6
10x=18
x=1.8
8:3=4x:7
4x*3=7*8
12x=56
3x=14
x=14/3