Предмет: Математика, автор: sweta88

упростите выражение 15 х+6-(10 х-14) и найдите его значение при х=0,7
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Ответы

Автор ответа: Nevidimka001

0

15x+6-(10x-14)=15x+6-10x+14=5x+20
при x = 0,7
5*0,7+20=3,5+20=23,5
Ответ:23,5

Автор ответа: sweta88

0

спасибо большое

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