(2x-3)/7=59-2x
答案:4 悬赏:30 手机版
解决时间 2021-04-11 23:38
- 提问者网友:雾里闻花香
- 2021-04-11 15:37
(2x-3)/7=59-2x
最佳答案
- 五星知识达人网友:醉吻情书
- 2021-04-11 16:33
(2x - 3)/7 = 59 - 2x
2x - 3 = 7(59 - 2x)
2x - 3 = 413 - 14x
2x + 14x = 413 + 3
16x = 416
x = 416÷16
x = 26
2x - 3 = 7(59 - 2x)
2x - 3 = 413 - 14x
2x + 14x = 413 + 3
16x = 416
x = 416÷16
x = 26
全部回答
- 1楼网友:洎扰庸人
- 2021-04-11 19:57
(2x - 3)/7 = 59 - 2x
2x - 3 = 7(59 - 2x)(两边同时乘以7)
2x - 3 = 413 - 14x
2x + 14x = 413 + 3
16x = 416
x = 416/16
x = 26
- 2楼网友:woshuo
- 2021-04-11 19:03
75%x-40%x=50%×14-40%*14
35%x=10%*14
x=4
4;5
4/5+1/3 2/.3/2+1/42=6/12=3/30=5/5x=3/20=4/3+1/5x+6 题抄错了
5;6=2/.1/6+1/4 3/. 2x-3=(59-2x)*7
2x+2x*7=59*7+3
16x=416
x=26
3;6 5ǘ4+1/.2x=768+832
0.2x=1600
x=32000
2. x-x*80%=960*80%+832
0
- 3楼网友:七十二街
- 2021-04-11 17:34
(2x-3)/7=59-2x
两边同时乘于7
2x-3=413-14x
2x+14x=413+3
16x=416
x=416/16
x=26
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