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fmech
@fmech
July 2022
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Дам 50 б.
Решить уравнение:
а)(2x-3):5=9:10
б)(x+3):2=(3x-2):7
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SorasLight
А) (2x-3):5=9:10
2x-3=45:10
2x=4,5+3
x=7,5:2
x=3,75
б) (x+3):2=(3x-2):7
(7x+21):14=(6x-4):14
7x+21-6x+4=0
x+25=0
x=-25
1 votes
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Answers & Comments
2x-3=45:10
2x=4,5+3
x=7,5:2
x=3,75
б) (x+3):2=(3x-2):7
(7x+21):14=(6x-4):14
7x+21-6x+4=0
x+25=0
x=-25