1.7x=14 x=2
2. 4x-6-x+2=83x=12x=4
3. 4x-2=22 x=6
4. 5x-30=5x=7
解方程:12-4x=3x-2 13-2(2x-3)=5-(x-2) 7x-(3x+2)=22 5x+5=10(x-3)
解方程:12-4x=3x-2 13-2(2x-3)=5-(x-2) 7x-(3x+2)=22 5x+5=10(x-3)
解方程:
12-4x=3x-2
13-2(2x-3)=5-(x-2)
7x-(3x+2)=22
5x+5=10(x-3)
解方程:
12-4x=3x-2
13-2(2x-3)=5-(x-2)
7x-(3x+2)=22
5x+5=10(x-3)
数学人气:777 ℃时间:2019-11-03 07:30:15
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