100x十2000=150x十1500

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100x十2000=150x十1500100x十2000=150x十1500100x十2000=150x十1500x=10·······································

100x十2000=150x十1500
100x十2000=150x十1500

100x十2000=150x十1500
x=10······························································································

100x十2000=150x十1500
移项得,-50x=-500
x=10
希望帮到你 望采纳 谢谢!!

100x-150x=1500-2000
-50x=-500
x=10