maths（right解方程(5x-4)3=2又1/3(x-1)/4-1=(2x+1)/61/2(2x-3)-(x-4)

尊星风2022-10-04 11:39:541条回答

maths（right
解方程
(5x-4)3=2又1/3
(x-1)/4-1=(2x+1)/6
1/2(2x-3)-(x-4)/2=1
x-(x-1)/2=2-(x-3)/5
(x-1)/0.3-(x+2)/0.5=1.2
(0.1x-0.2)/0.5-(0.01x+0.03)/0.1=1

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jiangxming90 共回答了32个问题 | 采纳率78.1%: (5x-4)/3=2又1/3=7/3
5x-4=7
x=11/5
(x-1)/4-1=(2x+1)/6
两边乘12
3x-3-12=4x+2
4x-3x=-3-12-2
x=-17
1/2(2x-3)-(x-4)/2=1
(2x-3-x+4)/2=1
x+1=2
x=1
x-(x-1)/2=2-(x-3)/5
两边乘10
10x-5x+5=20-2x+6
10x-5x+2x=20+6-5
7x=21
x=3
(x-1)/0.3-(x+2)/0.5=1.2
两边乘1.5
5x-5-3x-6=1.8
2x=12.8
x=6.4
(0.1x-0.2)/0.5-(0.01x+0.03)/0.1=1
2(0.1x-0.2)-10(0.01x+0.03)=1
0.2x-0.4-0.1x-0.3=1
0.1x=1.7
x=17; 1年前