Предмет: Математика, автор: nekit71

решитн уравнение -(6,8+x)-4,7=3,7

Ответы

Автор ответа: tatianagri2013
0
-(6,8+x)-4,7=3,7
-6,8-х-4,7=3,7
-х=3,7+4,7+6,8
-х=15,2
х=-15,2
-(6,8-15,2)-4,7=-(-8,4)-4,7=8,4-4,7=3,7
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