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Автор - henя

15(13х-7)-191=94 (у+46):3=18
решите позжалуйсто по действиям

Ответ

Автор - оногеее
15(13x-7)=191+94
15(13x-7)=285
13х-7=285:15
13х-7=19
13х=19+7
13х=26
Х=26:13
Х=2
У+46=18:3
у+46=6
У=46-6
У=40

Ответ

Автор - zhanka1337
(у+46)÷3=18
у+46=18÷3
у=46-6
у=40

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