Предмет: Математика, автор: nastya74011

2x+1+3(x-2)=14помогите

Ответы

Автор ответа: RysHarosh2005
0
2x+1+3(x-2)=14
2x+1+3x-6=14
5x-5=14
5x=14-5
5x=19
x=3.8
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