Предмет: Математика, автор: ленс123

1)5-3х+4=17х+9-20х
2)9-16у=20-31у+15у

Ответы

Автор ответа: 123456aa
0
5-3x+4=17x+9-20x
-3x-17x+20x=9-5-4
0=0

9-16y=20-31y+15y
-16y+31y-15y=20-9
y=11
Автор ответа: 123456aa
0
9-16y=20-31y+15y
Автор ответа: ленс123
0
правильно
Автор ответа: karina032001
0
спасибо
Автор ответа: Wieland
0
1)5-3х+4=17х+9-20х
5+4-9=17х-20х+3х
х=0



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