Предмет: Математика, автор: ЮРА1993

6x+8x-7x=714 2)23x-19x+5x=1827

Ответы

Автор ответа: aleksb1
0
(6+8-7)х=714
7х=714
х=714:7
х=102

(23-19+5)х = 1827
9х = 1827
х = 1827:9
х=203
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