这几道解一元一次方程怎么写…要准确过程和答案…谢谢哟哟
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发布时间:2023-09-29 08:03
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热心网友
时间:2024-12-04 06:34
1,解,得:
x=5/-2
x=-2..5
2,解,得:
x=0/-3
x=0
3,
15x-15=17x-51
15x-17x=-51+15
-2x=-36
x=18
4
12.6x-5x=33.84-8
7.6x=25.84
x=3.4
5,
15-7+5x=2x+11-3x
5x+x=11-8
4x=3
x=3/4
热心网友
时间:2024-12-04 06:35
1) x = -5/2 = -2.5
2) x = -0/3 = 0
3) 17x-15x = 51-15 2x = 36 x = 18
4) 7.6x = 25.84 x = 25.84/7.6 = 3.4
5) 8 + 5x + x = 11 6x = 3 x = 1/2