13x-5x=24 8.4x-6x=7.2 (7.8-6.2)x=9.6 2x+1.5=17.5 6.2x-x=41.6 x-0.64x=17.28

来源:百度知道 编辑:UC知道 时间:2024/07/05 22:51:56
列方程解答

1.13x-5x=24
8x=24
x=3
2.8.4x-6x=7.2
2.4x=7.2
x=3
3.(7.8-6.2)x=9.6
1.6x=9.6
x=6
4.2x+1.5=17.5
2x=17.5-1.5
2x=16
x=8
5.6.2x-x=41.6
5.2x=41.6
x=8
6.x-0.64x=17.28
0.36x=17.28
x=48

13x-5x=24.8
8x=24.8
x=3.1
8.4x-6x=7.2
2.4x=7.2
x=3
(7.8-6.2)x=9.6
1.6x=9.6
x=6
2x+1.5=17.56
2x=16.06
x=8.03
2x-x=41.6
x=41.6
x-0.64x=17.28
0.36x=17.28
x=48

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