3x-7(x-1)=3-2(x+3)
4x+3(2x-3)=12-(x+4)
2(10-0.5y)=-(1.5y+2)
4/3-8x=3-11/12x
3x+5/2=2x-1/3
1/6(3x-6)=2/5x-3
1-2x/3=3x+1/7-3
6(1/2x-4)+2x=7-(1/3x-1)
今晚做出
人气:295 ℃ 时间:2020-01-20 21:28:32
解答
1.3X-7X+7=3-2X-6
-2X+10=0
2X=10
X=5
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