問題已解決
3000x-600000=4000x-2800000怎么算這個(gè)方程式
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你好
3000x—600000=4000x—2800000
移項(xiàng)可得?4000x—3000x=2800000—600000
解得?x=(2800000—600000)/(4000—3000)
2022 09/01 14:37
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84785032 ![](/wenda/_nuxt/img/reply1.d92ea43.png)
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2022 09/01 14:39
這個(gè)移項(xiàng)的原理是什么?
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鄒老師 ![](/wenda/_nuxt/img/reply2.28c7604.png)
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2022 09/01 14:41
你好,把3000x從左邊移動(dòng)到右邊,就變成了減號(hào)
把—2800000移項(xiàng)到左邊,就變成了正數(shù)
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