Предмет: Математика, автор: sanazik

8.7x-4.5x=10.5
Помогите решить уравнение

Ответы

Автор ответа: koingrel
0
8,7х - 4,5х = 10,5
4,2х = 10,5
х = 10,5/4,2
х = 105/42
х = 2 21/42
х = 2 1/2
х = 2,5

Ответ: 2,5
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