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Автор - niedosiekina03

Решите примеры:
4x+5x-5=94
9X-x+10=90
15y-y-16=82
10*(40+X)=480

Ответ

Автор - yukaya01
1)9х=94+5
9х=99
х=11
2) 8х=90-10
8х=80
х=10
3) 14у=82+16
14у=98
у=7
4) 400+10х=480
10х=480-400
10х=80
х=8

Ответ

Автор - igzharckow2015
4x+5x-5=94 
9x=94+5
9x=99
x=99/9
x=11
4*11+5*11-5=94

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